IIT JEE Practice Question and Answer

Q: Find the odd one out of the group ? 1914 0

  • 1
    708
    Correct
    Wrong
  • 2
    392
    Correct
    Wrong
  • 3
    618
    Correct
    Wrong
  • 4
    816
    Correct
    Wrong
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Answer : 2. "392"
Explanation :

Answer: B) 392 Explanation: The sum of the digits in 708, 618 and 816 is 15, but not in 392.

Q: Speeding is a factor in ___ % of fatal crashes. 1914 0

  • 1
    30
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 1. "30"
Explanation :

Answer: A) 30 Explanation: Speed has been identified as a key risk factor in road traffic injuries, influencing both the risk of a road crash as well as the severity of the injuries that result from crashes. Speeding is a factor in 30 % of all fatal accidents.

Q: In one year, the Amount collected for social welfare, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the amount was 7920, what was it in the beginning ? 1914 0

  • 1
    8800
    Correct
    Wrong
  • 2
    8650
    Correct
    Wrong
  • 3
    8000
    Correct
    Wrong
  • 4
    8980
    Correct
    Wrong
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Answer : 3. "8000"
Explanation :

Answer: C) 8000 Explanation: Let the amount collected be 'A'Then, from the given conditions,A x 110/100 x 90/100 = 7920 A x 0.99 = 7920 A = 7920/0.99=> 8000

Q: Who has become the 1st woman player from Jharkhand who has been awarded Dhyan Chand Award 2017  ? 1914 0

  • 1
    Poonam Rani
    Correct
    Wrong
  • 2
    Samurai Tete
    Correct
    Wrong
  • 3
    Monika Malik
    Correct
    Wrong
  • 4
    Navjot Kaur
    Correct
    Wrong
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Answer : 2. "Samurai Tete"
Explanation :

Answer: B) Samurai Tete Explanation: The Apex body for The national sport Hockey India pitched Jharkhand's Samurai Tete, former Team India skipper, for the Dhyan Chand Lifetime Achievement Award 2016. Sumrai Tete is a member of the India women's national field hockey team. She played with the team when it won the Gold at the Manchester 2002 Commonwealth Games.

Q: A report generator is used to 1914 1

  • 1
    print files on paper
    Correct
    Wrong
  • 2
    data entry
    Correct
    Wrong
  • 3
    update files
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 1. "print files on paper"
Explanation :

Answer: A) print files on paper Explanation: A report generator is a computer program whose purpose is to take data from a source such as a database, XML stream or a spreadsheet, and use it to produce a document in a format which satisfies a particular human readership.   Hence, A report generator is used to print files on paper.

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Answer :
Explanation :

Let the present age's of mother be 'M' and that of her son be 'S'. According to the given data in the question, M - 5 = 3(S - 5) F - 3S = -10  ...............(1) Then given , M + 5 : S + 5 = 11 : 5  => 5M - 11S = 30 ..............(2)   From (1) & (2), we get S = 20 Then by substituting S = 20 in (1) or (2), we get M = 50.   Hence, the present age of mother is M = 50 years.

Q: Who won the US Open 2018? 1913 0

  • 1
    Brooks Koepka
    Correct
    Wrong
  • 2
    Tommy Fleetwood
    Correct
    Wrong
  • 3
    T. Finau
    Correct
    Wrong
  • 4
    D. Johnson
    Correct
    Wrong
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Answer : 1. "Brooks Koepka"
Explanation :

Answer: A) Brooks Koepka Explanation: Brooks Koepka shot a final round 68 for 281 (+1) to win his second straight U.S. Open, one stroke ahead of runner-up Tommy Fleetwood, who closed with the sixth round of 63 in U.S. Open history.

Q: Two persons K and L can complete a piece of work in 30 days and 45 days respectively. If they work together, what part of the work will be completed in 3 days ? 1913 0

  • 1
    1/6
    Correct
    Wrong
  • 2
    1/3
    Correct
    Wrong
  • 3
    2/3
    Correct
    Wrong
  • 4
    1/18
    Correct
    Wrong
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Answer : 1. "1/6"
Explanation :

Answer: A) 1/6 Explanation: K's one day's work = 1/30 L's one day's work = 1/45 (K + L)'s one day's work = 1/30 + 1/45 = 1/18 The part of the work completed in 3 days = 3 (1/18) = 1/6.

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