IIT JEE Practice Question and Answer
8Q: The school principal has received complaints from parents about bullying in the school yard during recess. He wants to investigate and end this situation as soon as possible, so he has asked the recess aides to watch closely. Which situation should the recess aides report to the principal ? 44232 05b5cc75ce4d2b4197774fc61
5b5cc75ce4d2b4197774fc61- 1A boy is sitting glumly on a bench reading a book and not interacting with his peers.false
- 2Two boys are playing a one-on-one game of basketball and are arguing over the last basket scored.false
- 3Three boys are huddled over a handheld video game, which isn’t supposed to be on school grounds.false
- 4Four girls are surrounding another girl and seem to have possession of her backpack.true
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Answer : 4. "Four girls are surrounding another girl and seem to have possession of her backpack."
Explanation :
Answer: D) Four girls are surrounding another girl and seem to have possession of her backpack. Explanation: Seeing four girls surrounding another girl, while in possession of her backpack, is the most suspicious of the incidents described.
Q: The market was full of people ……….. attractive clothes of different styles. 43001 05b5cc73ae4d2b4197774f8e2
5b5cc73ae4d2b4197774f8e2- 1showingfalse
- 2watchingfalse
- 3Havingfalse
- 4wearingtrue
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Answer : 4. "wearing"
Explanation :
Answer: D) wearing Explanation: The market was full of people wearing attractive clothes of different styles.
Q: Which of the following foods does not support bacterial growth? 41250 05b5cc68be4d2b4197774c360
5b5cc68be4d2b4197774c360- 1Raw carrotstrue
- 2Sauted onionsfalse
- 3Refried beansfalse
- 4Cooked ricefalse
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Answer : 1. "Raw carrots"
Explanation :
Answer: A) Raw carrots Explanation: Cooked food create an enabling environment for bacteria to grow because of their moisture content and because of the normal temperature of the food. Raw food does not offer suitable conditions for bacteria growth. Hence, raw carrots does not support bacterial growth.
Q: Two pipes A and B can separately fill a cistern in 10 and 15 minutes respectively. A person opens both the pipes together when the cistern should have been was full he finds the waste pipe open. He then closes the waste pipe and in another 3 minutes the cistern was full. In what time can the waste pipe empty the cistern when fill ? 36979 15b5cc6e5e4d2b4197774ecf7
5b5cc6e5e4d2b4197774ecf7- 18.21 minfalse
- 28 minfalse
- 38.57 mintrue
- 48.49 minfalse
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Answer : 3. "8.57 min"
Explanation :
Answer: C) 8.57 min Explanation: 1/10 + 1/15 = 1/6 x 3 = 1/2 1 - 1/2 = 1/2 1/10 + 1/15 - 1/x = 1/2 x = 8.57 min
Q: From a tank of petrol, which contains 200 litres of petrol, the seller replaces each time with kerosene when he sells 40 litres of petrol(or its mixture). Everytime he sells out only 40 litres of petrol(pure or impure). After replacing the petrol with kerosen 4th time, the total amount of kerosene in the mixture is 27623 25b5cc7d7e4d2b4197775151a
5b5cc7d7e4d2b4197775151a- 181.92Lfalse
- 296Lfalse
- 3118.08Ltrue
- 4None of thesefalse
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Answer : 3. "118.08L"
Explanation :
Answer: C) 118.08L Explanation: The amount of petrol left after 4 operations = 200 × 1-402004 = 200 × 454 = 200 × 256625 = 81.92 litres Hence the amount of kerosene = 200 - 81.92 = 118. 08 litres
Q: What cannot be performed from the windows task manager? 25452 05b5cc619e4d2b4197774b71e
5b5cc619e4d2b4197774b71e- 1Open a programfalse
- 2Check recent CPU usagefalse
- 3Delete a program from the hard drivetrue
- 4View what applications are running in the backgroundfalse
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Answer : 3. "Delete a program from the hard drive"
Explanation :
Answer: C) Delete a program from the hard drive Explanation: The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network. Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.
Q: Find the next number in the number series? 6, 6, 9, 18, 45, ? 21743 05b5cc64ae4d2b4197774bc20
5b5cc64ae4d2b4197774bc20- 187false
- 299.75false
- 3115.5false
- 4135true
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Answer : 4. "135"
Explanation :
Answer: D) 135 Explanation: The given number series is 6, 6, 9, 18, 45, ? Here the series follows a pattern that, 6 6 x 1 = 6 6 x 1.5 = 9 9 x 2 = 18 18 x 2.5 = 45 45 x 3 = 135 Hence, the next number in the given number series is 135.
Q: Ian has 14 boxes of paper and divides them evenly between 4 coworkers. How many whole boxes did each coworker get? 21726 05b5cc615e4d2b4197774b6f6
5b5cc615e4d2b4197774b6f6- 12false
- 22.5false
- 33true
- 43.5false
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Answer : 3. "3"
Explanation :
Answer: C) 3 Explanation: Given number of boxes = 14 Number of workers = 4 Now, number of whole boxes per worker = 14/4 = 3.5 Hence, number of whole boxes per each coworker = 3