IIT JEE Practice Question and Answer
8Q: What is the first step when supervising detainee operations? 1766 05b5cc622e4d2b4197774b7d3
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Answer :
Explanation :
The first step is to disarm and secure detainees when supervising detainee operations.
Q: An implied power is one that 1766 05b5cc655e4d2b4197774bd6e
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Answer :
Explanation :
Implied powers are powers of U.S. government which have not been explicitly granted by the Constitution but that is implied by the necessary and proper clause to be delegated for the purpose of carrying out the enumerated powers.
Q: The average age of 80 boys in a class is 15. The average age of group of 15 boys in the class is 16 and the average of another 25 boys in the class is 14. What is the average age of the remaining boys in the class ? 1765 05b5cc736e4d2b4197774f883
5b5cc736e4d2b4197774f883- 112.24 yrsfalse
- 213.25 yrsfalse
- 316 yrsfalse
- 415.25 yrstrue
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Answer : 4. "15.25 yrs"
Explanation :
Answer: D) 15.25 yrs Explanation: Total ages of 80 boys = 15 x 80 = 1200 yrs.Total age of 16 boys = 15 x 16 = 240 yrsTotal age of 25 boys = 14 x 25 = 350 yrs.Average age of remaining boys = 1200 - (240+350) / 80 - (25+15) = 610/41 = 15.25 yrs.
Q: A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in ? 1765 05b5cc6dbe4d2b4197774e927
5b5cc6dbe4d2b4197774e927- 18 hrsfalse
- 212 hrsfalse
- 36 hrstrue
- 44 hrsfalse
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Answer : 3. "6 hrs"
Explanation :
Answer: C) 6 hrs Explanation: Suppose A, B and C take x, x/2 and x/3 respectively to finish the work. Then, (1/x + 2/x + 3/x) = 1/2 => 6/x = 1/2 => x = 12 So, B takes 6 hours to finish the work.
Q: Who got the ‘Transformative Chief Minister Award’ in USIBC in 2017 ? 1764 05b5cc6e3e4d2b4197774ece8
5b5cc6e3e4d2b4197774ece8- 1Mr. Vijay Singhfalse
- 2Mr. Suresh Babufalse
- 3Mr.Chandrababu Naidutrue
- 4Mr. Achuathananfalse
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Answer : 3. "Mr.Chandrababu Naidu"
Explanation :
Answer: C) Mr.Chandrababu Naidu Explanation: Andhra Pradesh Chief Minister Chandrababu Naidu has been selected for the 'Transformative Chief Minister Award 2017' in recognition for his role in advancing the US-India partnership at the state level. ii. The award by the US-India Business Council (USIBC) would be presented to Mr. Naidu during the USIBC West Coast Summit in Bengaluru (the Silicon Valley) on May 8. iii. Last year’s recipient of this award was Amitabh Kant, CEO of Niti Aayog.
Q: What is a Common Multiple? 1764 05b5cc6b5e4d2b4197774d548
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Answer :
Explanation :
If the Multiples for two or more numbers which are Common, then those Multiples are said to be Common Multiples. For Example : Multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, 27, 30,... Multiples of 5 are 5, 10, 15, 20, 25, 30,... Here common multiples of 3 & 5 upto 30 are 15, 30.
Q: Which process removes carbon dioxide from the atmosphere? 1763 05b5cc61ee4d2b4197774b78d
5b5cc61ee4d2b4197774b78d- 1Combustionfalse
- 2Photosynthesistrue
- 3Respirationfalse
- 4All of the abovefalse
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Answer : 2. "Photosynthesis"
Explanation :
Answer: B) Photosynthesis Explanation: Photosynthesis process removes carbon dioxide from the atmosphere. Green plants remove carbon dioxide from the atmosphere by photosynthesis. The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion.
Q: What time will it be in 8 hours? 1763 05b5cc619e4d2b4197774b743
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Answer :
Explanation :
For exampe if it is 12:45 AM, then after 8 hours the time is 12 hrs 45 min + 8 hrs = 8 : 45 PM in the night on the same day.

