IIT JEE Practice Question and Answer

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Answer : 3. "Only b follows"
Explanation :

Answer: C) Only b follows Explanation: Clearly, reducing the number of aspirants for admission to colleges or sending the students of well-to-do families to foreign countries for higher studies, is no proper solution. So, both I and III do not follow. The right solution is to increase the number of colleges so as t accommodate the increasing number of admission-seekers. So, only II follows.

Q: Prashanth sold a album for $ 735 and made a profit of 22.5% . The cost price of the album went up by $120 and so Prashanth increased the selling price by $120. What is his profit % now ? 1853 0

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    19.32 %
    Correct
    Wrong
  • 2
    18.75 %
    Correct
    Wrong
  • 3
    21.41 %
    Correct
    Wrong
  • 4
    22 %
    Correct
    Wrong
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Answer : 2. "18.75 %"
Explanation :

Answer: B) 18.75 % Explanation: Prashanth sold a album for $ 735 and made a profit of 22.5% .CP = 735 x 100/122.5 = Rs. 600New CP = 600 + 120 = Rs. 720New SP = 735 + 120 = Rs. 855. Profit = Rs. 135. profit % = 100 x 135/720 = 18.75%.

Q: Simplify the fraction? 5 (2/7) - 3 (1/14) - 2 (1/14) - 1 (1/7) = ? + 3 (1/17) 1853 0

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    -4 (1/17)
    Correct
    Wrong
  • 2
    5 (2/17)
    Correct
    Wrong
  • 3
    -2 (1/17)
    Correct
    Wrong
  • 4
    3 (3/17)
    Correct
    Wrong
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Answer : 1. "-4 (1/17)"
Explanation :

Answer: A) -4 (1/17) Explanation: Given fraction is 5 (2/7) - 3 (1/14) - 2 (1/14) - 1 (1/7) = ? + 3 (1/17)  It can be written as  (5 - 3 - 2 - 1) + (2/7 - 1/14 - 1/14 - 1/7) = ? +  3 (1/17)  -1 + 0 - 3 (1/17) = ? => ? = -4 (1/17)

Q: An express train takes 4 seconds to enter tunnel which is 1 km long. If it is traveling at 108 km an hour, how long will it take to pass completely through the tunnel ? 1853 0

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    33 sec
    Correct
    Wrong
  • 2
    37.33 sec
    Correct
    Wrong
  • 3
    36.43 sec
    Correct
    Wrong
  • 4
    32 sec
    Correct
    Wrong
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Answer : 2. "37.33 sec"
Explanation :

Answer: B) 37.33 sec Explanation: Speed = 108 km/hrenter a tunnel,, means that the train covers a distance equal to its own lengthso (108 x 5/18) = x/4 where x= length of trainhence x = 120 mtrsto pass completely train has to travel a distance = (x + tunnel length) that is 1120 mtrs.so (1120/t) = (108x5/18)t = 37.33 sec

Q: The shorter i am, the bigger i am. What am I? 1853 0

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Answer :
Explanation :

A Temper.

Q: 'The Race of my Life' the Autobiography has been co-authored by Milkha Singh's daughter, whose name is ____ ? 1853 0

  • 1
    Sonia Sanwalka
    Correct
    Wrong
  • 2
    Mankhia Singh
    Correct
    Wrong
  • 3
    Sanjitia Sardar
    Correct
    Wrong
  • 4
    Poonam Dillo
    Correct
    Wrong
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Answer : 1. "Sonia Sanwalka"
Explanation :

Answer: A) Sonia Sanwalka Explanation:

Q: What does NPP stand for 1853 0

  • 1
    Nonprofit Partnership
    Correct
    Wrong
  • 2
    National Population Policy
    Correct
    Wrong
  • 3
    Nobel Peace Prize
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Some more NPP Acronym stands for  NPP New Patriotic Party NPP Nuclear Power Plant NPP Notice of Privacy Practices NPP Non-Physician Practitioner NPP New Progressive Party NPP National Patriotic Party NPP Notice of Proposed Procurement NPP Neighbourhood Police Post (Singapore) NPP Non-Paged Pool (memory) NPP Nurse Practitioner in Psychiatry.

Q: Which planet has maximum satellite? 1852 0

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    Saturn
    Correct
    Wrong
  • 2
    Earth
    Correct
    Wrong
  • 3
    Jupiter
    Correct
    Wrong
  • 4
    Mars
    Correct
    Wrong
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Answer : 3. "Jupiter"
Explanation :

Answer: C) Jupiter Explanation: Jupiter has 67 natural satellites. Eight of Jupiter's moons are regular satellites, with 4 large, spherical moons, and 4 smaller moons that orbit closer to Jupiter. Jupiter has an additional 55 tiny irregular satellites.   The planet with the second highest number of moons is Saturn, with 61 moons. Earth has only one natural satellite i.e, Moon. Mercury and Venus have no satellites.

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