IIT JEE Practice Question and Answer
8Q: First woman to win olympic medal for India 1406 05b5cc670e4d2b4197774c03e
5b5cc670e4d2b4197774c03e- 1Mary Komfalse
- 2Saina Nehwalfalse
- 3Karnam Malleshwaritrue
- 4P.V. Sindhufalse
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Answer : 3. "Karnam Malleshwari"
Explanation :
Answer: C) Karnam Malleshwari Explanation: The first Indian woman to ever win an Olympic medal for India was Karnam Malleswari who won a bronze medal at the Sydney Olympics 2000 in the Women's 69 kg category in Weightlifting. Karnam Malleswari is a retired Indian weightlifter. In 1995 she received the Rajiv Gandhi Khel Ratna, India's highest sporting honour, and in 1999 the civilian Padma Shri award. After that Indian women who won Olymic medals to India was : 1. Mary Kom at the London 2012 Summer Olympics won bronze medal in women's boxing. 2. Saina Nehwal was the first Indian to win a medal in Badminton at the Olympics, by winning the Bronze medal at the London Olympics 2012. 3. Sakshi Malik became the first Indian woman to win a medal in Wrestling. She won the Bronze medal in Women's 58 kg freestyle wrestling in 2016 Summer Olympics held in Rio. 4. P.V. Sindhu became the first ever Indian woman to win the Silver medal at the Olympics, by reaching the Badminton final at Rio Olympics 2016.
Q: Who won the world’s largest pre-college science competition in the US in the environmental engineering category for his project on biodegradation of pesticides ? 1406 05b5cc6dce4d2b4197774e9b0
5b5cc6dce4d2b4197774e9b0- 1Shanmuga Sundaramfalse
- 2Prashant Ranganathantrue
- 3Suresh Kumarfalse
- 4Vijay Ragunathanfalse
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Answer : 2. "Prashant Ranganathan"
Explanation :
Answer: B) Prashant Ranganathan Explanation: An Indian boy has won the world’s largest pre-college science competition in the US in the environmental engineering category for his project on biodegradation of pesticides. Prashant Ranganathan, a 12th grader from Jamshedpur, alongwith over 20 high school students from various parts of India, participated in the Intel International Science and Engineering Fair.
Q: Which country is going to launch the world's first nuclear power plant (Sanmen Nuclear Power Station) that is immune to meltdown ? 1404 05b5cc6cae4d2b4197774e01a
5b5cc6cae4d2b4197774e01a- 1Indiafalse
- 2USAfalse
- 3Chinatrue
- 4Russiafalse
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Answer : 3. "China"
Explanation :
Answer: C) China Explanation:
Q: A boat whose speed in still water is 9 kmph, goes 12 km downstream and comes back in 3 hrs. Find the speed of the stream? 1404 05b5cc6bfe4d2b4197774da7e
5b5cc6bfe4d2b4197774da7e- 11 kmphfalse
- 23 kmphtrue
- 35 kmphfalse
- 44 kmphfalse
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Answer : 2. "3 kmph"
Explanation :
Answer: B) 3 kmph Explanation: Let the speed of the stream = x kmph From the given data, 129+x+129-x=3 hrs 3x2 = 27 => x = 3 kmph Therefore, the speed of the stream = 3 kmph
Q: You will always find me in the past. I can be created in the present, But the future can never taint me. What am I? 1403 05b5cc639e4d2b4197774baab
5b5cc639e4d2b4197774baab- Show AnswerHide Answer
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Answer :
Explanation :
I am History. Yes, history refers to all the past, but we can create history in the presentand it cannot be polluted in the future.
Q: A man spend 20% of his monthly salary on his children's education and 50% of his salary on food and transport. After Paying the rent of Rs.1000, he is left with Rs.2000. What is his monthly salary? 1403 05b5cc6bae4d2b4197774d7e9
5b5cc6bae4d2b4197774d7e9- 17000false
- 210000true
- 314000false
- 420000false
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Answer : 2. "10000"
Explanation :
Answer: B) 10000 Explanation: Let his monthly salary be 'P' 20% on children's education = 20P100 = P5 50% on food and transport = 50P100 = P2 1000 on rent => P - P5 - P2 - 1000 = 2000=> 3P = 30000=> P = 10000 Therefore, his monthly salary = Rs. 10,000
Q: Find which of the two conclusions I and II given below is/are definitely true from the the given statements. Statements: I > W > T > N, I = F = G = C Conclusions: I. W > I II. C > N 1403 05b5cc6bde4d2b4197774d933
5b5cc6bde4d2b4197774d933- 1Only Conclusion I is truefalse
- 2Only Conclusion II is truetrue
- 3Both conclusions I & II are truefalse
- 4Neither conclusion I nor II is truefalse
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Answer : 2. "Only Conclusion II is true"
Explanation :
Answer: B) Only Conclusion II is true Explanation: From the given Statements : 1. I > W > T > N 2. F = G = C Conclusions are : I. W > I (False) II. C > N (True)
Q: A certain amount earns simple interest of Rs. 2260 after 3 years. Had the interest been 1 % more how much more interest would it have earned ? 1403 05b5cc6c1e4d2b4197774db78
5b5cc6c1e4d2b4197774db78- 1Rs. 175false
- 2Rs. 220.75false
- 3Rs. 126false
- 4Can't be determinedtrue
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Answer : 4. "Can't be determined"
Explanation :
Answer: D) Can't be determined Explanation: Here given Interest earned = Rs. 2260 Time = 3 years Rate of interest = ? Principal Amount = ? So, it can't be determined.

