IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day ? 1152 05b5cc6dde4d2b4197774ea14
5b5cc6dde4d2b4197774ea14- 1Total workfalse
- 2One-fourth workfalse
- 3Half worktrue
- 4Two-third workfalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 3. "Half work"
व्याख्या :
Answer: C) Half work Explanation: A can do the work = 18 daysB can do the work = 18/2 = 9 days(A + B)'s 1 day work = 1/18 + 1/9 = 1/6=> In 3 days = 3x1/6 = 1/2 work is completed.
प्र: Israel’s Rafael Defense Systems ltd has formed a joint venture with ________ to produce anti-tank guided missiles for the Indian armed forces. 1151 05b5cc6cce4d2b4197774e181
5b5cc6cce4d2b4197774e181- 1Goa Shipyardfalse
- 2Hindustan Aeronautics Limitedfalse
- 3Kalyani Grouptrue
- 4Hindustan Aeronautics Limitedfalse
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उत्तर : 3. "Kalyani Group"
व्याख्या :
Answer: C) Kalyani Group Explanation:
प्र: What tastes better than it smells? 1151 05b5cc67ee4d2b4197774c24a
5b5cc67ee4d2b4197774c24a- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
Tongue. Yes tongue tastes better than it smells as it can't smell.
प्र: 'International Plastic Bag Free Day' is observed on which date ? 1150 05b5cc6d2e4d2b4197774e438
5b5cc6d2e4d2b4197774e438- 13 Julytrue
- 24 Julyfalse
- 36 Julyfalse
- 45 Julyfalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "3 July"
व्याख्या :
Answer: A) 3 July Explanation: International Plastic Bag Free Day was observed on 3rd of July 2017. It has been dedicated to heightening awareness about plastic and disposable carrying devices. International Plastic Bag Free Day gives us an opportunity to remind ourselves, and others, that every action we take, and every bag we dispose of effects the lives of everyone in the world for generations to come.
प्र: Find the value of 1.21x0.91.1x0.11? 1149 05b5cc6cae4d2b4197774e001
5b5cc6cae4d2b4197774e001- 10false
- 21false
- 33true
- 45false
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 3. "3"
व्याख्या :
Answer: C) 3 Explanation: Given 1.21x0.91.1x0.11 = 1.21x100x0.9x101.1x10x0.11x100 = 9 = 3.
प्र: Who has won the Nobel prize in "Physics" for the year 2017 ? 1149 05b5cc6c2e4d2b4197774dbf0
5b5cc6c2e4d2b4197774dbf0- 1Barry Barishfalse
- 2Kip Thornefalse
- 3Rainer Weissfalse
- 4All of the abovetrue
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उत्तर : 4. "All of the above"
व्याख्या :
Answer: D) All of the above Explanation: Rainer Weiss, a professor at the Massachusetts Institute of Technology, and Kip Thorne and Barry Barish, both of the California Institute of Technology, were awarded the Nobel Prize in Physics for the discovery of ripples in space-time known as gravitational waves, which were predicted by Albert Einstein a century ago but had never been directly seen.
प्र: According to a report by New World Wealth, which is the richest city in the world 2018? 1148 05b5cc6a2e4d2b4197774cb3d
5b5cc6a2e4d2b4197774cb3d- 1Tokyofalse
- 2New Yorktrue
- 3Londonfalse
- 4Parisfalse
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उत्तर : 2. "New York"
व्याख्या :
Answer: B) New York Explanation: New York City, London, and Tokyo are the richest cities in the world 2018, according to their ranks.
प्र: In the given number series which follows the definite rules then find out the value of (M, N, O, and P) in second number series. 7 18 42 94 204 4 M N O P What value will come in place of P? 1146 05b5cc6b4e4d2b4197774d4e8
5b5cc6b4e4d2b4197774d4e8- 1179false
- 2184false
- 3164false
- 4156true
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उत्तर : 4. "156"
व्याख्या :
Answer: D) 156 Explanation: Here the given series 7 18 42 94 204 follows a pattern that, 7 7 ×2+4 = 18 18 ×2+6 = 42 42 ×2+10 = 94 94 ×2+16 = 204 Similarly, 4 4 ×2+4 = 12 12 ×2+6 = 30 30 ×2+10 = 70 70 ×2+16 = 156 Hence, the value of P = 156.

