IIT JEE Practice Question and Answer
8Q: Choose the Antonym of the given word from the following options 'Jettison' 3334 05b5cc761e4d2b4197774fd02
5b5cc761e4d2b4197774fd02- 1Salvagetrue
- 2Submergefalse
- 3Repentfalse
- 4Descendfalse
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Answer : 1. "Salvage"
Explanation :
Answer: A) Salvage Explanation: 'Jettison' means to discard and 'salvage' means to rescue something discarded. Hence, 'salvage' is the word which is farthest in meaning to the given word 'Jettison'.
Q: Play is to actor as concert is to 3334 05b5cc69ee4d2b4197774c99a
5b5cc69ee4d2b4197774c99a- 1Musiciantrue
- 2percussionfalse
- 3symphonyfalse
- 4pianofalse
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Answer : 1. "Musician"
Explanation :
Answer: A) Musician Explanation: An actor performs in a play. A musician performs at a concert. Choices b, c, and d are incorrect because none is people who perform. Hence, Play is to actor as concert is to Musician.
Q: What should come in place of question mark (?) in the following number series? 132 156 ? 210 240 272 3326 05b5cc6c7e4d2b4197774de8c
5b5cc6c7e4d2b4197774de8c- 1196false
- 2182true
- 3199false
- 4204false
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Answer : 2. "182"
Explanation :
Answer: B) 182 Explanation: The given series follows a logic that 11 x 12, 12 x 13, 13 x 14, 14 x 15, 15 x 16,... So the missing number is 13 x 14 = 182
Q: In what time will Rs. 3300 becomes Rs. 3399 at 6% per annum interest compounded half-yearly ? 3324 05b5cc701e4d2b4197774f175
5b5cc701e4d2b4197774f175- 1Quarter monthsfalse
- 2Half yeartrue
- 32 yearsfalse
- 41 yearfalse
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Answer : 2. "Half year"
Explanation :
Answer: B) Half year Explanation: 3300 ----- 3% ↑ (1st time interval, 99) → 3399. Here, time interval is given as half-yearly i.e. 6 months.
Q: The brain of any computer system is 3323 15b5cc607e4d2b4197774b54e
5b5cc607e4d2b4197774b54e- 1CPUtrue
- 2Memoryfalse
- 3Controlfalse
- 4ALUfalse
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Answer : 1. "CPU"
Explanation :
Answer: A) CPU Explanation: Central Processing Unit (CPU) is the brain of any computer system.
Q: '.bak' extension refers to what kind of file? 3319 05b5cc645e4d2b4197774bb9f
5b5cc645e4d2b4197774bb9f- 1Documentfalse
- 2Movie/Video filefalse
- 3Backup filetrue
- 4Audio filefalse
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Answer : 3. "Backup file"
Explanation :
Answer: C) Backup file Explanation: In computing, ".bak" is a filename extension commonly used to signify a backup copy of a file.
Q: Where is RAM located? 3319 05b5cc6b9e4d2b4197774d720
5b5cc6b9e4d2b4197774d720- 1Mother Boardtrue
- 2Expansion Boardfalse
- 3External Drivefalse
- 4Nonefalse
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Answer : 1. "Mother Board"
Explanation :
Answer: A) Mother Board Explanation: RAM is located in The central processing unit (CPU), also called a processor, is located inside the computer case on the motherboard. It is sometimes called the brain of the computer, and its job is to carry out commands.
Q: Three taps P, Q and R can fill a tank in 12 hrs, 15 hrs and 20 hrs respectively. If P is open all the time and Q and R are open for one hour each alternately, starting with Q, then the tank will be full in how many hours ? 3319 05b5cc6c0e4d2b4197774dafb
5b5cc6c0e4d2b4197774dafb- 19 hrsfalse
- 27 hrstrue
- 313 hrsfalse
- 411 hrsfalse
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Answer : 2. "7 hrs"
Explanation :
Answer: B) 7 hrs Explanation: Given, P can fill in 12 hrs Q can fill in 15 hrs R can fill in 20 hrs => Volume of tank = LCM of 12, 15, 20 = 60 lit => P alone can fill the tank in 60/12 = 5 hrs => Q alone can fill the tank in 60/15 = 4 hrs => R alone can fill the tank in 60/20 = 3 hrs Tank can be filled in the way that (P+Q) + (P+R) + (P+Q) + (P+R) + .... => Tank filled in 2 hrs = (5+4) + (5+3) = 9 + 8 = 17 lit => In 6 hrs = 17 x 6/2 = 51 lit => In 7th hr = 51 + (5+4) = 51 + 9 = 60 lit => So, total tank will be filled in 7 hrs.

