IIT JEE Practice Question and Answer
8Q: A person can row 8 1/2 km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream ? 929 05b5cc6cce4d2b4197774e172
5b5cc6cce4d2b4197774e172- 11.78 kmphfalse
- 22.35 kmphfalse
- 32.83 kmphtrue
- 43.15 kmphfalse
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Answer : 3. "2.83 kmph"
Explanation :
Answer: C) 2.83 kmph Explanation: Given speed of the person = 8 1/2 = 17/2 kmphLet the speed of the stream = x kmphspeed of upstream = 17/2 - xspeed of downstream = 17/2 + xBut given that,2(17/2 - x) = 17/2 + x=> 3x = 17/2=> x = 2.83 kmph.
Q: Find the ODD number ? 1640 05b5cc6cce4d2b4197774e167
5b5cc6cce4d2b4197774e167- 142false
- 2142true
- 3119false
- 421false
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Answer : 2. "142"
Explanation :
Answer: B) 142 Explanation: Except 142 all are divisible by number '7'.
Q: A contractor undertake to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work. How many men can be discharged so that the work may finish in time ? 1277 05b5cc6cce4d2b4197774e16c
5b5cc6cce4d2b4197774e16c- 164false
- 262false
- 358false
- 456true
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Answer : 4. "56"
Explanation :
Answer: D) 56 Explanation: Days remaining 124 – 64 = 60 days Remaining work = 1 - 2/3 = 1/3 Let men required men for working remaining days be 'm' So men required = (120 x 64)/2 = (m x 60)/1 => m = 64 Men discharge = 120 – 64 = 56 men.
Q: A colour blind person has difficulty in distinguishing which of the two colours ? 1924 05b5cc6cce4d2b4197774e15d
5b5cc6cce4d2b4197774e15d- 1Green & Redtrue
- 2White & Redfalse
- 3Blue & Redfalse
- 4Red & Blackfalse
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Answer : 1. "Green & Red"
Explanation :
Answer: A) Green & Red Explanation:
Q: Who has been appointed by Flipkart as an in-charge of the newly acquired e-Bay India business ? 1627 05b5cc6cce4d2b4197774e158
5b5cc6cce4d2b4197774e158- 1Anil Gotetitrue
- 2S Aparnafalse
- 3Rajeev Kumarfalse
- 4Kalyan Krishnamurthyfalse
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Answer : 1. "Anil Goteti"
Explanation :
Answer: A) Anil Goteti Explanation:
Q: Who has released a book on the noted author and journalist Khushwant Singh titled 'Khushwant Singh: In Wisdom and in Jest' ? 1406 05b5cc6cce4d2b4197774e153
5b5cc6cce4d2b4197774e153- 1Yogi Adityanathfalse
- 2Vijay Rupanifalse
- 3Shivraj Singhfalse
- 4Amarinder Singhtrue
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Answer : 4. "Amarinder Singh"
Explanation :
Answer: D) Amarinder Singh Explanation:
Q: Who has won the men's shot put world title with a stunning series of throws climaxing with a best of 22.03 meters ? 1379 05b5cc6cce4d2b4197774e14e
5b5cc6cce4d2b4197774e14e- 1Randy Matsonfalse
- 2Tomas Walshtrue
- 3Ryan Crouserfalse
- 4Randy Barnesfalse
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Answer : 2. "Tomas Walsh"
Explanation :
Answer: B) Tomas Walsh Explanation:
Q: Who has been elected as 13th Vice President of India ? 1226 05b5cc6cce4d2b4197774e144
5b5cc6cce4d2b4197774e144- 1M Venkaiah Naidutrue
- 2Gopalkrishna Gandhifalse
- 3Hamid Ansarifalse
- 4Ram Nath Kovindfalse
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Answer : 1. "M Venkaiah Naidu"
Explanation :
Answer: A) M Venkaiah Naidu Explanation: