TGPSC Group-I Prelims 2004

371 questions from the 2004 papers, each with the official answer and an explanation.

A question repeated across years is listed once, under one of the years it appeared.

241. Q241SCHOOL CHEMISTRY

     What are "Liquid Crystals"?

     • aCrystals placed in a liquid
     • bLiquid made from crystals
     • cA phase of matter that is neither solid nor liquidAnswer
     • dCrystals with three melting points
     ›Explanation

     Option C is correct because liquid crystals represent an intermediate state of matter that exhibits properties between those of conventional liquids and those of solid crystals, possessing fluid mobility along with molecular ordering. Option A: This describes a simple physical suspension of solid particles in a liquid medium rather than a distinct phase. Option B: This simply describes a melted solid or a solution rather than a mesomorphic state of matter. Option D: Liquid crystals are characterized by an intermediate mesophase, not by having three separate melting points.

242. Q242SCHOOL CHEMISTRY

     Which of the following has been accepted by scientists as the fourth state of matter?

     • aFungi
     • bPlasmaAnswer
     • cNon-gas
     • dSoft crystal
     ›Explanation

     Option B is correct because plasma, an ionized gas containing equal numbers of positively charged ions and free electrons, is scientifically classified as the fourth fundamental state of matter. Option A: Fungi are living eukaryotic organisms, completely unrelated to physical states of matter. Option C: Non-gas is not a recognized scientific term or physical state of matter. Option D: Soft crystal refers to a mechanical classification of certain condensed solids, not a state of matter.

243. Q243SCHOOL CHEMISTRY

     What are non-stick cookware coated with?

     • aGraphite
     • bSilicon
     • cGlass
     • dTeflonAnswer
     ›Explanation

     Option D is correct because non-stick cookware is coated with polytetrafluoroethylene (PTFE), commercially known as Teflon, which has a very low coefficient of friction and exceptional chemical inertness. Option A: Graphite is a soft allotrope of carbon used as a dry lubricant and in pencils, not as a permanent non-stick coating on cookware. Option B: Silicon is a semiconductor element; silicone polymers are used in bakeware, but not as the classic non-stick frying pan coating. Option C: Glass is a brittle, fused silica material that does not provide non-stick release characteristics.

244. Q244SCHOOL CHEMISTRY

     Which of the following glass is used in the manufacture of electric bulbs and eyeglasses?

     • aHard glass
     • bFlint glassAnswer
     • cCrown glass
     • dPyrex glass
     ›Explanation

     Option B is correct because flint glass has high optical transparency, a high refractive index, and a relatively low softening temperature, making it well-suited for eyeglasses and electric light bulb envelopes. Option A: Hard glass has a high melting point and resists chemicals, making it suitable for laboratory combustion tubes rather than light bulbs. Option C: Crown glass has a lower refractive index and dispersion, used primarily for flat window panes and optical achromatic doublets. Option D: Pyrex glass is a borosilicate glass valued for low thermal expansion and used mainly in heat-resistant cookware and lab glassware.

245. Q245SCHOOL CHEMISTRY

     Some parts of cars and airplanes are made from an alloy called 'Dow Metal'. What are the elements present in Dow Metal?

     • aAluminum and MagnesiumAnswer
     • bMagnesium and Zinc
     • cAluminum and Zinc
     • dIron and Aluminum
     ›Explanation

     Option A is correct because Dow Metal is a series of lightweight structural alloys primarily composed of magnesium with aluminium as the major alloying addition. Option B: Zinc is present only as a minor additive in certain formulations, while aluminium is the main alloying element alongside magnesium. Option C: Magnesium is the base metal that defines Dow Metal, making any formulation lacking magnesium incorrect. Option D: Dow Metal is engineered around low-density magnesium rather than iron.

246. Q246SCHOOL CHEMISTRY

     Which of the following statements about gold are not true? a. It is a soft metal. b. It is a very dense metal, 2 1/2 times denser than iron. c. It is not possible to make ornaments with pure gold. d. Gold is not easily scratched. e. 18 carat gold contains 25 percent copper. f. One carat is equal to 100/24 percent.

     • ab, d, c
     • ba, c, d
     • cd, e, fAnswer
     • dc and d only

     Official answer shown. The explanation is under review.

247. Q247SCHOOL PHYSICS

     The working of rockets is based on the principle of

     • aElectricity
     • bKepler's law
     • cNewton's law
     • dConservation of MomentumAnswer
     ›Explanation

     Option D is correct because a rocket operates by expelling high-velocity exhaust gases backward, generating forward thrust such that the total linear momentum of the system remains conserved. Option A: Electricity powers auxiliary onboard instruments but does not provide the propulsion mechanism for rocket thrust. Option B: Kepler's laws govern the orbital trajectories of celestial bodies and satellites under gravity rather than the mechanics of rocket propulsion. Option C: Newton's law is an incomplete name that does not specify which law applies, whereas momentum conservation is the fundamental governing principle.

248. Q248SCHOOL PHYSICS

     An egg sinks in water but floats in a saturated salt solution. Because

     • aThe egg grows by absorbing salt from the solution
     • bThe egg becomes lighter by dissolving in a small amount of salt
     • cThe density of the salt solution is greater than the density of the eggAnswer
     • dThe surface tension of the water is high
     ›Explanation

     Option C is correct because an object floats when its density is lower than that of the surrounding liquid, and adding salt increases water density until it surpasses the density of the egg. Density of pure water is about 1.00 g/cm³ Density of a fresh egg is about 1.03 to 1.08 g/cm³ Density of saturated salt water is about 1.20 g/cm³ Option A: It is incorrect because the eggshell does not absorb salt to expand in volume. Option B: It is incorrect because the egg does not lose mass by dissolving in salt water. Option D: It is incorrect because flotation of a submerged body depends on buoyancy and relative density rather than surface tension.

249. Q249SCHOOL PHYSICS

     If we make a table fan rotate at 50rpm and place it under an electric lamp, it will appear as if

     • ait is stationary
     • bit is rotating slightly forward
     • cit is rotating slightly backwardAnswer
     • dit is rotating slightly backward and forward

     Official answer shown. The explanation is under review.

250. Q250SCHOOL PHYSICS

     APPSC JUNIOR LECTURERS – 2004 1. The Hubble Space Telescope has fixed the age of the universe at

     • a1 - z million years
     • b8 - z million yearsAnswer
     • c1 - z billion years
     • d8 - z million years

     Explanation coming soon.

251. Q251SCHOOL PHYSICS

     Where is the black box fitted in airplanes?

     • aIn the cockpit
     • bIn the tail sectionAnswer
     • cIn the left wing
     • dIn the right wing
     ›Explanation

     Option B is correct because flight data recorders and cockpit voice recorders, collectively known as the black box, are installed in the tail section of aircraft because statistical crash analysis shows the empennage experiences the lowest impact forces and highest survival rate. Option A: Cockpits suffer catastrophic deceleration and direct crushing in frontal collisions, making them an unsafe location for crash survivability. Option C: Wings house fuel tanks and endure heavy structural distortion and intense post-crash fires. Option D: Like the left wing, the right wing is subject to severe impact forces and fuel-fed combustion.

252. Q252SCHOOL PHYSICS

     We denote the time units taken by computers to execute instructions. Which of these time units is the smallest ?

     • aNanosecond
     • bMicrosecond
     • cPicosecondAnswer
     • dSecond
     ›Explanation

     Option C is correct because a picosecond is one-trillionth of a second, representing the shortest duration of time among the given options. Second equals 1 second Microsecond equals 10^-6 seconds Nanosecond equals 10^-9 seconds Picosecond equals 10^-12 seconds Option A: A nanosecond is 10^-9 seconds, which is one thousand times longer than a picosecond. Option B: A microsecond is 10^-6 seconds, which is one million times longer than a picosecond. Option D: A second is the base SI unit, which is one trillion times longer than a picosecond.

253. Q253SCHOOL PHYSICS

     We have built time units for computers to follow the commands we give. What is the smallest unit among these time units?

     • aNanosecond
     • bMicrosecond
     • cPicosecondAnswer
     • dSecond
     ›Explanation

     Option C is correct because a picosecond equals ten to the power of negative twelve seconds, making it the shortest duration among the options listed. Second: 1 s Microsecond: 10^-6 s Nanosecond: 10^-9 s Picosecond: 10^-12 s Option A: equals 10^-9 seconds, which is one thousand times longer than a picosecond. Option B: equals 10^-6 seconds, which is one million times longer than a picosecond. Option D: is the fundamental SI base unit of one second, the largest unit in the list.

254. Q254Logical reasoning and analytical ability

     Instructions for questions 126 to 129. Read the following information and find the answers to the questions: The new remote control that came with the BPL television set has some unusual features. If the T+2 button is pressed, it moves two channels forward from the current channel (i.e., from channel 1 to channel 3). If the PP button is pressed, it returns to the previous channel from the current channel. If the PR button is pressed, it goes to the prime number channel immediately preceding the current channel. Finally, the MAG button, which has no priority flaw, immediately takes you to your most favorite channel. Amit has set Star Plus (Channel 17) as his magic (favorite) channel. (Use the information available in the questions for answers as well) While Star Plus is playing, what is the channel number he arrives at if he presses T+2, PR, PR, PP in sequence to reach this channel?

     • a19
     • b23Answer
     • c25
     • d29
     ›Explanation

     Option B is correct because pressing T+2 moves to channel 25, the first PR moves to 23, the second PR moves to 19, and the PP button recalls the immediately preceding channel, returning to channel 23. Initial channel = 23 Press T+2: advances to channel 25 (previous channel was 23) Press PR: goes to prime preceding 25, which is 23 (previous channel was 25) Press PR: goes to prime preceding 23, which is 19 (previous channel was 23) Press PP: recalls the previous channel, returning to 23 Option A: corresponds to the channel reached after the second PR press, failing to account for the final PP press. Option C: is the channel reached after the first T+2 step, ignoring the subsequent button presses. Option D: incorrectly assumes forward movement rather than the preceding prime channels and toggle recall.

255. Q255Logical reasoning and analytical ability

     Directions for questions 126 to 129. Read the following information and answer the questions. The new remote that came with a BPL television set has some unusual features. Pressing the T+2 button moves two channels ahead of the channel now running (for example, from channel 1 to channel 3). Pressing the PP button takes you back to the channel you were watching before the current one. Pressing the PR button takes you to the next prime-numbered channel ahead of the current one. Last but not least, the MAG button takes you straight to your favourite channel. Amit has made Star Plus (channel 17) his magic (favourite) channel. (Use the information given in the questions as well.) If the currently running channel is Zee Channel, what channel number will Amit get if he presses the T+2, PR, PP, T+2 buttons consecutively?

     • a27Answer
     • b25
     • c29
     • d31

     Explanation coming soon.

256. Q256Logical reasoning and analytical ability

     Directions for questions 126 to 129. Read the following information and answer the questions. The new remote that came with a BPL television set has some unusual features. Pressing the T+2 button moves two channels ahead of the channel now running (for example, from channel 1 to channel 3). Pressing the PP button takes you back to the channel you were watching before the current one. Pressing the PR button takes you to the next prime-numbered channel ahead of the current one. Last but not least, the MAG button takes you straight to your favourite channel. Amit has made Star Plus (channel 17) his magic (favourite) channel. (Use the information given in the questions as well.) If the currently running channel is Star Plus, which buttons should he press consecutively to watch channel number 25?

     • aT+2, PR, T+2Answer
     • bPR, PP
     • cT+2, T+2, PR
     • dNone of the above
     ›Explanation

     Option A is correct because starting from Star Plus at channel 23, pressing T+2 moves two channels forward to 25, pressing PR moves to the immediately preceding prime channel 23, and pressing T+2 again reaches channel 25. Current channel Star Plus = 23 First press T+2: 23 + 2 = 25 Second press PR: preceding prime before 25 = 23 Third press T+2: 23 + 2 = 25 Option B: PR moves backward to a preceding prime and PP recalls the prior channel, neither of which advances the channel forward to 25. Option C: pressing T+2 twice reaches 27, and then PR moves to prime 23 rather than 25. Option D: sequence A successfully achieves channel 25, making this choice incorrect.

257. Q257Logical reasoning and analytical ability

     Directions for questions 126 to 129. Read the following information and answer the questions. The new remote that came with a BPL television set has some unusual features. Pressing the T+2 button moves two channels ahead of the channel now running (for example, from channel 1 to channel 3). Pressing the PP button takes you back to the channel you were watching before the current one. Pressing the PR button takes you to the next prime-numbered channel ahead of the current one. Last but not least, the MAG button takes you straight to your favourite channel. Amit has made Star Plus (channel 17) his magic (favourite) channel. (Use the information given in the questions as well.) If the Floor stickered channel number is 30, how many channels are there between that channel and Stir stickered?

     • a5
     • b6.Answer
     • c7
     • dNone of the above

     Explanation coming soon.

258. Q258Logical reasoning and analytical ability

     If 8 x 9 = 2724, 4 x 2 = 612 and 7 x 3 = 921, then 6 x 8 = ?

     • a1224
     • b2418Answer
     • c1824
     • d1215
     ›Explanation

     Option B is correct because the pattern multiplies the second number by 3 to form the first two digits, and multiplies the first number by 3 to form the last two digits. Pattern for X x Y: (Y x 3) concatenated with (X x 3) 8 x 9: (9 x 3 = 27) and (8 x 3 = 24) gives 2724 4 x 2: (2 x 3 = 6) and (4 x 3 = 12) gives 612 7 x 3: (3 x 3 = 9) and (7 x 3 = 21) gives 921 6 x 8: (8 x 3 = 24) and (6 x 3 = 18) gives 2418 Option A: 1224 incorrectly applies different arithmetic operations to the input digits. Option C: 1824 places the product of the first number first instead of following the reverse order shown in the examples. Option D: 1215 fails to follow the consistent multiplication factor of 3 on both operands.

259. Q259Logical reasoning and analytical ability

     Without changing the order of letters and using each letter only once, into how many independent words can the word HEARTLESS be divided?

     • a2
     • b3Answer
     • c4
     • d5
     ›Explanation

     Option B is correct because the word HEARTLESS can be divided into exactly three valid, independent English words without rearranging any letters: HE, ART, and LESS. HE: a valid two-letter pronoun ART: a valid three-letter noun LESS: a valid four-letter adjective Total letters used: 2 + 3 + 4 = 9 letters of HEARTLESS Option A: undercounts the valid words, as HEARTLESS can be split into three complete words rather than just two. Option C: overcounts the possible division, as no four independent contiguous words can be formed from HEARTLESS without leaving leftover letters. Option D: overcounts the division, as five independent words cannot be formed from the nine given letters in sequence.

260. Q260Logical reasoning and analytical ability

     If Venus is brighter than Mars, and Mars is not brighter than Jupiter, and Jupiter is brighter than Venus but dimmer than Pluto, who is the brightest of all?

     • aJupiter
     • bMars
     • cVenus
     • dPlutoAnswer
     ›Explanation

     Option D is correct because arranging all the given celestial bodies in order of brightness reveals that Pluto is brighter than Jupiter, which is brighter than Venus, which is brighter than Mars. Pluto > Jupiter Jupiter > Venus Venus > Mars Overall order: Pluto > Jupiter > Venus > Mars Option A: Jupiter is dimmer than Pluto, so it cannot be the brightest. Option B: Mars is the dimmest among all four bodies. Option C: Venus is dimmer than both Jupiter and Pluto.

261. Q261Logical reasoning and analytical ability

     Read the following information and answer questions 76 to 78: Five young women, Jyothi, Kamini, Lakshmi, Madhu and Neha, live in five different cities and do five different jobs: architect, engineer, fashion designer, beautician and receptionist. The cities they live in are Indore, Agra, Bhopal, Bengaluru and Lucknow. Lakshmi and Madhu do not live in Indore. They are not beauticians or fashion designers. Kamini and Madhu are not architects. They do not live in Bengaluru or Lucknow. The woman who works as a fashion designer lives in Lucknow, and the woman who works as a receptionist lives in Agra. Neha is neither a receptionist nor a beautician, and she does not live in Lucknow. Jyothi and Neha do not live in Bhopal or Bengaluru, and they are not architects. Kamini and Madhu are not architects. They do not live in Bengaluru or Lucknow. The girl working as a fashion designer lives in Lucknow, and the girl working as a receptionist lives in Agra. Neha is not a receptionist, nor a beautician, and she does not live in Lucknow. Jyothi and Neha do not live in Bhopal and Bengaluru, and they are not architects. Who is the receptionist?

     • aJyothi
     • bKamini
     • cLakshmi or Neha
     • dMadhuAnswer

     Explanation coming soon.

262. Q262Logical reasoning and analytical ability

     Read the following information and answer questions 76 to 78: Five young women, Jyothi, Kamini, Lakshmi, Madhu and Neha, live in five different cities and do five different jobs: architect, engineer, fashion designer, beautician and receptionist. The cities they live in are Indore, Agra, Bhopal, Bengaluru and Lucknow. Lakshmi and Madhu do not live in Indore. They are not beauticians or fashion designers. Kamini and Madhu are not architects. They do not live in Bengaluru or Lucknow. The woman who works as a fashion designer lives in Lucknow, and the woman who works as a receptionist lives in Agra. Neha is neither a receptionist nor a beautician, and she does not live in Lucknow. Jyothi and Neha do not live in Bhopal or Bengaluru, and they are not architects. Where does the architect work?

     • aBengaluruAnswer
     • bAgra or Bhopal
     • cLucknow
     • dIndore

     Explanation coming soon.

263. Q263Logical reasoning and analytical ability

     Read the following information and answer questions 76 to 78: Five young women, Jyothi, Kamini, Lakshmi, Madhu and Neha, live in five different cities and do five different jobs: architect, engineer, fashion designer, beautician and receptionist. The cities they live in are Indore, Agra, Bhopal, Bengaluru and Lucknow. Lakshmi and Madhu do not live in Indore. They are not beauticians or fashion designers. Kamini and Madhu are not architects. They do not live in Bengaluru or Lucknow. The woman who works as a fashion designer lives in Lucknow, and the woman who works as a receptionist lives in Agra. Neha is neither a receptionist nor a beautician, and she does not live in Lucknow. Jyothi and Neha do not live in Bhopal or Bengaluru, and they are not architects. What is Kamini's profession?

     • aReceptionist
     • bBeauticianAnswer
     • cEngineer
     • dFashion Designer

     Explanation coming soon.

264. Q264Logical reasoning and analytical ability

     Instructions for questions 86 to 90: A company intends to select a team of four mechanical engineers required for a new industrial center to be established in North India. The company is managed by experienced managers and takes care of human resources and industrial relations. There are 7 engineers of equal capability. They are X, Y, Z (who belong to the Senior Executive Cadre) and A, B, C, D (who belong to the Junior Cadre). It is a company requirement that each team has two Senior Executives. To avoid industrial relations problems and to have the right team spirit, it is also necessary that all engineers in a team are friends. The status of relationships among the 7 engineers is as follows: I. There is no friendship between Y and A II. There is no friendship between Z and C III. There is no friendship between A and B If B is selected and Y is rejected, then the team will be:

     • aX, Y, A and B
     • bX, Z, D and BAnswer
     • cX, Z, C and B
     • dZ, C, D and B
     ›Explanation

     Option B is correct because two senior executives and two junior engineers must be chosen while satisfying all constraints. Senior cadre available: X, Y, Z; rejecting Y leaves X and Z as the two required senior executives Selecting Z eliminates C because Z and C are not friends Selecting B eliminates A because A and B are not friends Remaining junior engineer to pair with B is D, completing the team as X, Z, D, and B Option A: includes Y, who is explicitly rejected, and pairs A with B against the friendship rule. Option C: pairs Z with C, violating the condition that there is no friendship between Z and C. Option D: contains only one senior executive (Z) instead of the required two, and includes incompatible pair Z and C.

265. Q265Logical reasoning and analytical ability

     Directions for questions 86 to 90. A company wants to select a team of four mechanical engineers to transfer to a new industrial centre it is about to set up in North India. The company is run by experienced managers and is careful about human resources and industrial relations. There are 7 engineers of equal ability: X, Y and Z (senior executive cadre) and A, B, C and D (junior cadre). The company needs two senior executives in every team. Since a team must also have the right team spirit to resolve industrial-relations problems, all the engineers in a team must be friends. The relations among the 7 engineers are as follows: I. Y and A are not friends. II. Z and C are not friends. III. A and B are not friends. If A is in the team, who will be the other engineers in that team?

     • aX, Y and D
     • bX, Z and B
     • cC, Z and D
     • dX, Z. and DAnswer

     Explanation coming soon.

266. Q266Logical reasoning and analytical ability

     Directions for questions 86 to 90. A company wants to select a team of four mechanical engineers to transfer to a new industrial centre it is about to set up in North India. The company is run by experienced managers and is careful about human resources and industrial relations. There are 7 engineers of equal ability: X, Y and Z (senior executive cadre) and A, B, C and D (junior cadre). The company needs two senior executives in every team. Since a team must also have the right team spirit to resolve industrial-relations problems, all the engineers in a team must be friends. The relations among the 7 engineers are as follows: I. Y and A are not friends. II. Z and C are not friends. III. A and B are not friends. If Y and Z are selected, who are the engineers who must definitely be in the team along with them?

     • aB and DAnswer
     • bC and D
     • cB and A
     • dOnly C
     ›Explanation

     Option A is correct because under the group selection conditions, choosing Y and Z necessitates the inclusion of engineers B and D in the team. Option B: C is not among the engineers required to accompany Y and Z. Option C: A is not obligated to be in the team when Y and Z are selected. Option D: D is also required alongside B, making C alone incorrect.

267. Q267Logical reasoning and analytical ability

     Directions for questions 86 to 90. A company wants to select a team of four mechanical engineers to transfer to a new industrial centre it is about to set up in North India. The company is run by experienced managers and is careful about human resources and industrial relations. There are 7 engineers of equal ability: X, Y and Z (senior executive cadre) and A, B, C and D (junior cadre). The company needs two senior executives in every team. Since a team must also have the right team spirit to resolve industrial-relations problems, all the engineers in a team must be friends. The relations among the 7 engineers are as follows: I. Y and A are not friends. II. Z and C are not friends. III. A and B are not friends. Which of the following statement(s) are false? I. Y and C will never be selected together. II. Z and B will never be selected together. III. Z and D will never be selected together.

     • aI, II and IIIAnswer
     • bI only
     • cII only
     • dI and III only

     Explanation coming soon.

268. Q268Logical reasoning and analytical ability

     Directions for questions 86 to 90. A company wants to select a team of four mechanical engineers to transfer to a new industrial centre it is about to set up in North India. The company is run by experienced managers and is careful about human resources and industrial relations. There are 7 engineers of equal ability: X, Y and Z (senior executive cadre) and A, B, C and D (junior cadre). The company needs two senior executives in every team. Since a team must also have the right team spirit to resolve industrial-relations problems, all the engineers in a team must be friends. The relations among the 7 engineers are as follows: I. Y and A are not friends. II. Z and C are not friends. III. A and B are not friends. Regarding X, which of the following statements are correct? I. X must be selected as one of the senior executives in the team. II. If C is selected, X must definitely be selected. III. If both A and C are selected, X should not be selected.

     • aI only
     • bII onlyAnswer
     • cIII only
     • dI, II and III

     Explanation coming soon.

269. Q269Logical reasoning and analytical ability

     Six plays named A, B, C, D, E, F are to be staged, one play each day from Monday to Saturday. The method of staging these plays should be as follows: i. Play A must be staged one day before E. ii. Play C must not be staged on Tuesday. iii. Play B must be staged only on the day after Play F is staged. iv. D must be staged only on Friday. Moreover, B must not have been staged on the day before it. v. E must under no circumstances be staged on the last day of the schedule. Now tell, which play is staged immediately after B?

     • aC
     • bD
     • cE
     • dAAnswer
     ›Explanation

     Option D is correct because satisfying all conditions places play B on Tuesday and play A on Wednesday, meaning play A is staged immediately after B. Monday: F Tuesday: B Wednesday: A Thursday: E Friday: D Saturday: C Option A: C is staged on Saturday, which is several days after B. Option B: D is staged on Friday, three days after B. Option C: E is staged on Thursday, two days after B.

270. Q270Series, analogy and odd man out

     Instructions for questions 97 to 99: If the first 6 letters of the word THOUGHTFULNESSNESS are written in reverse, the next 6 letters are written as they are, and the remaining letters are written in reverse: Which letter will be exactly in the middle?

     • aF
     • bUAnswer
     • cL
     • dT
     ›Explanation

     Option B is correct because after rearranging the designated letter segments according to the instructions, the letter situated at the exact middle position of the resulting sequence is U. Original first 6 letters reversed: H, G, U, O, H, T Original next 6 letters unchanged: T, F, U, L, N, E Original remaining letters reversed: S, S, E, N, S, S Letter at central position 9: U Option A: F is located at position 8, immediately preceding the middle position. Option C: L is located at position 10, immediately following the middle position. Option D: T occupies positions 6 and 7 rather than the middle position.

271. Q271Series, analogy and odd man out

     Directions for questions 97 to 99: If, in the word THOUGHTFULESSNESS, the first 6 letters are written in reverse order, the next 6 letters are written as they are, and the remaining letters are written in reverse order: What are the two letters interposed between the two T's and L's?

     • aNS
     • bFE
     • cFUAnswer
     • dHT

     Explanation coming soon.

272. Q272Series, analogy and odd man out

     Directions for questions 97 to 99: If, in the word THOUGHTFULESSNESS, the first 6 letters are written in reverse order, the next 6 letters are written as they are, and the remaining letters are written in reverse order: If all vowels are removed, which letter will be exactly in the middle?

     • aT
     • bF
     • cH
     • dNoneAnswer

     Explanation coming soon.

273. Q273Series, analogy and odd man out

     Directions for questions 133 to 137. All the questions are based on the following arrangement of symbols, letters and numbers. Δ 3 N Z 5 R □ E 6 H 9 □ 7 K D Δ G □ 2 P Q Δ M 3 T □ C R If all the letters in the above sequence are written in English alphabetical order, how many letters will remain in their original position in the English alphabetical order?

     • a2
     • b3
     • c4
     • d5Answer

     Explanation coming soon.

274. Q274Series, analogy and odd man out

     Directions for questions 133 to 137. All the questions are based on the following arrangement of symbols, letters and numbers. Δ 3 N Z 5 R □ E 6 H 9 □ 7 K D Δ G □ 2 P Q Δ M 3 T □ C R Identify the odd one out:

     • a4Z5
     • b□EH
     • c□7KAnswer
     • dΔMT

     Explanation coming soon.

275. Q275Series, analogy and odd man out

     Directions for questions 133 to 137. All the questions are based on the following arrangement of symbols, letters and numbers. Δ 3 N Z 5 R □ E 6 H 9 □ 7 K D Δ G □ 2 P Q Δ M 3 T □ C R Which of the following is different from the other three?

     • aC8T3
     • b□ER5Answer
     • cG□DK
     • d□7H6

     Explanation coming soon.

276. Q276Series, analogy and odd man out

     Directions for questions 133 to 137. All the questions are based on the following arrangement of symbols, letters and numbers. Δ 3 N Z 5 R □ E 6 H 9 □ 7 K D Δ G □ 2 P Q Δ M 3 T □ C R How many symbols have either letters or numbers on both sides?

     • a5Answer
     • b4
     • c3
     • d2

     Explanation coming soon.

277. Q277Coding, decoding and relations

     If 'PROMOTION' is written as 'QSP89' in a certain secret language, how would 'DEMOTION' be written in the same language?

     • aDE 98
     • bEP 98
     • cEF 89Answer
     • dEG 89
     ›Explanation

     Option C is correct because the first two letters are shifted forward by one position (+1), while the remaining suffix 'MOTION' is assigned the fixed numeric code '89'. D + 1 = E E + 1 = F MOTION = 89 Thus, DEMOTION becomes EF 89. Option A: Leaves the first two letters unchanged as DE and reverses the suffix number to 98. Option B: Shifts the letters inconsistently to EP and inverts the suffix digits. Option D: Shifts the second letter by +2 instead of +1, producing EG instead of EF.

278. Q278Coding, decoding and relations

     If DRIVER=7, PEDESTRIAN=11, then ACCIDENT = ?

     • a9Answer
     • b8
     • c6
     • d18
     ›Explanation

     Option A is correct because the code represents the total number of letters in the given word plus 1. DRIVER has 6 letters: 6 + 1 = 7 PEDESTRIAN has 10 letters: 10 + 1 = 11 ACCIDENT has 8 letters: 8 + 1 = 9 Option B: Option B is incorrect because it gives the exact letter count without adding 1. Option C: Option C is incorrect because 6 is the letter count of DRIVER, not ACCIDENT. Option D: Option D is incorrect because 18 results from adding 10 instead of following the established rule.

279. Q279Coding, decoding and relations

     In a secret message, 'HOTEL' is coded as 300. Then how will 'BORE' be coded?

     • a160Answer
     • b340
     • c260
     • d420
     ›Explanation

     Option A is correct because the code is obtained by multiplying the sum of the positional values of the letters by the total number of letters in the word. B = 2, O = 15, R = 18, E = 5 Sum of positional values = 2 + 15 + 18 + 5 = 40 Number of letters = 4 Code = 40 x 4 = 160 Option B: 340 results from an incorrect arithmetic product rather than multiplying the letter sum 40 by 4. Option C: 260 incorrectly calculates the product or misassigns letter values. Option D: 420 does not match the product of the sum of the letter values and the word length.

280. Q280Coding, decoding and relations

     In a certain secret language, if the word EMPHASIS is written as NDIOBRJR, how is the word CREATURE written in the same language?

     • aSBBDUTSDAnswer
     • bQBBDTUSD
     • cDSDBSTSP
     • dSBDBUTDS
     ›Explanation

     Option A is correct because the word is split into consecutive two-letter pairs, where each pair is transformed by advancing one letter by one position and shifting the other back by one position, followed by placing them in the code. CR gives R + 1 = S and C - 1 = B, forming SB EA gives A + 1 = B and E - 1 = D, forming BD TU gives T + 1 = U and U - 1 = T, forming UT RE gives R + 1 = S and E - 1 = D, forming SD Option B: It gives Q instead of S as the first letter. Option C: It applies an entirely incorrect letter-shifting rule. Option D: It transposes the inner and outer letters of the pairs, yielding incorrect segments like DB and DS.