IIT JEE Practice Question and Answer
8Q: What gas makes up most of the atmosphere? 1547 05b5cc636e4d2b4197774ba48
5b5cc636e4d2b4197774ba48- 1Oxygenfalse
- 2Heliumfalse
- 3Nitrogentrue
- 4Carbondioxidefalse
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Answer : 3. "Nitrogen"
Explanation :
Answer: C) Nitrogen Explanation: Our atmosphere is made up of 78% Nitrogen, 21% Oxygen and 1% all other gases like argon, carbon dioxide, neon, and helium. So, Nitrogen makes up the majority of our atmosphere.
Q: I have a face but no eyes Puzzle 1547 05b5cc626e4d2b4197774b83a
5b5cc626e4d2b4197774b83a- Show AnswerHide Answer
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Answer :
Explanation :
A Clock has a face, but no eyes. It has 3 hands i.e, hours, minutes and seconds hands but no arms.
Q: _______has conferred the 'Best Performance Award' for 2015-16 and 2016-17 to Karnataka VIKAS GRAMEEN Bank (KVGB) for its work in the field of credit-linking joint liability groups (JLGs). 1546 05b5cc6cbe4d2b4197774e0ae
5b5cc6cbe4d2b4197774e0ae- 1B) for its work in the field of credit-linking joint liability groups (JLGs). A)false
- 2for its work in the field of credit-linking joint liability groups (JLGs). A) RBI B) RRBfalse
- 3NABARDtrue
- 4SBIfalse
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Answer : 3. "NABARD"
Explanation :
Answer: C) NABARD Explanation:
Q: Which award the Electronic Vaccine Intelligence Network (EVIN) app won in 2017 ? 1546 05b5cc6d3e4d2b4197774e48a
5b5cc6d3e4d2b4197774e48a- 1Padma Awardfalse
- 2GSMA Asia Mobile Awardtrue
- 3Best app of the yearfalse
- 4National Awardfalse
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Answer : 2. "GSMA Asia Mobile Award"
Explanation :
Answer: B) GSMA Asia Mobile Award Explanation:
Q: Who among the following took over as the 25th Director General of the Border Roads(DGBR) ? 1546 05b5cc761e4d2b4197774fd49
5b5cc761e4d2b4197774fd49- 1Lt. Gen. Suresh Sharmafalse
- 2Lt. Gen. David R. Syiemliehfalse
- 3Lt. Gen. Srikanth Mishrafalse
- 4Lt. Gen. Sanjeev Kumar Shrivastavatrue
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Answer : 4. "Lt. Gen. Sanjeev Kumar Shrivastava"
Explanation :
Answer: D) Lt. Gen. Sanjeev Kumar Shrivastava Explanation: Lt. Gen. Sanjeev Kumar Shrivastava took over as the 25th Director General of the Border Roads (DGBR). He has replaced Lt. Gen. Suresh Sharma. Prior to it, he was holding the appointment of Director General Combat Engineers at Integrated Headquarters of Ministry of Defence(Army).
Q: A man purchases two articles, on selling one at loss of 20% while the other at a profit of 25%, he gains the overall profit of 5% than find the ratio of their selling price ? 1544 05b5cc6c7e4d2b4197774de9b
5b5cc6c7e4d2b4197774de9b- 18 : 62.5true
- 255 : 8false
- 38 : 65false
- 464.4 : 9false
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Answer : 1. "8 : 62.5"
Explanation :
Answer: A) 8 : 62.5 Explanation: Article I Article II -20 25% 5% 20% 25% 4 : 5 Now, Selling of first article = (4-20%) = 0.8 Selling of second article = (5+25%) = 6.25 Therefore the ratio of selling price = 8 : 62.5
Q: A man sold two flats for Rs. 4.15 lakhs each. On one he gained 2% and on the other he lost 2%. What percent is the effect of the sale on the whole ? 1544 05b5cc6d3e4d2b4197774e4cd
5b5cc6d3e4d2b4197774e4cd- 10.25 %false
- 20.04 %true
- 30.5 %false
- 40 %false
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Answer : 2. "0.04 %"
Explanation :
Answer: B) 0.04 % Explanation: In this type cases we always have loss only. Loss% = Common Gain or Loss102= 2102= 1/25 = 0.04 %
Q: According to a survey, which country has become the second largest smartphone market in the world? 1544 05b5cc6bfe4d2b4197774da92
5b5cc6bfe4d2b4197774da92- 1Japanfalse
- 2Chinafalse
- 3Indiatrue
- 4USAfalse
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Answer : 3. "India"
Explanation :
Answer: C) India Explanation: According to a Report by analyst firm Canalys, India has become the second largest smartphone market in the world.

