IIT JEE Practice Question and Answer

Q: First woman to win olympic medal for India 1406 0

  • 1
    Mary Kom
    Correct
    Wrong
  • 2
    Saina Nehwal
    Correct
    Wrong
  • 3
    Karnam Malleshwari
    Correct
    Wrong
  • 4
    P.V. Sindhu
    Correct
    Wrong
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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 0

  • 1
    Shanmuga Sundaram
    Correct
    Wrong
  • 2
    Prashant Ranganathan
    Correct
    Wrong
  • 3
    Suresh Kumar
    Correct
    Wrong
  • 4
    Vijay Ragunathan
    Correct
    Wrong
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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 0

  • 1
    India
    Correct
    Wrong
  • 2
    USA
    Correct
    Wrong
  • 3
    China
    Correct
    Wrong
  • 4
    Russia
    Correct
    Wrong
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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 0

  • 1
    1 kmph
    Correct
    Wrong
  • 2
    3 kmph
    Correct
    Wrong
  • 3
    5 kmph
    Correct
    Wrong
  • 4
    4 kmph
    Correct
    Wrong
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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 0

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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 0

  • 1
    7000
    Correct
    Wrong
  • 2
    10000
    Correct
    Wrong
  • 3
    14000
    Correct
    Wrong
  • 4
    20000
    Correct
    Wrong
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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 0

  • 1
    Only Conclusion I is true
    Correct
    Wrong
  • 2
    Only Conclusion II is true
    Correct
    Wrong
  • 3
    Both conclusions I & II are true
    Correct
    Wrong
  • 4
    Neither conclusion I nor II is true
    Correct
    Wrong
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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 0

  • 1
    Rs. 175
    Correct
    Wrong
  • 2
    Rs. 220.75
    Correct
    Wrong
  • 3
    Rs. 126
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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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.

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