IIT JEE Practice Question and Answer

Q: Crack the Missing Letter Puzzle? 2190 0

  • 1
    I
    Correct
    Wrong
  • 2
    K
    Correct
    Wrong
  • 3
    L
    Correct
    Wrong
  • 4
    W
    Correct
    Wrong
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Answer : 3. "L"
Explanation :

Answer: C) L Explanation: 13 x 2 = 26 => Z (opposite side) 12 x 2 = 24 => X (opposite side) 13 x 1 = 13 => M (opposite side) 12 x 1 = 12 => L (opposite side)

Q: Pride is to lion as shoal is to 2189 0

  • 1
    Fish
    Correct
    Wrong
  • 2
    School
    Correct
    Wrong
  • 3
    Deer
    Correct
    Wrong
  • 4
    Plants
    Correct
    Wrong
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Answer : 1. "Fish"
Explanation :

Answer: A) Fish Explanation: Given Pride is to lion as shoal is to ?. Pride means a group of lions. Similarly, Shoal means a group of fish swimming. Here the other options have no relation with the given word in that manner.   Hence, Pride is to Lion as Shoal is to Fish.

Q: Which of the following is NOT a constitutional body? 2188 0

  • 1
    National Advisory Council
    Correct
    Wrong
  • 2
    Law Commission
    Correct
    Wrong
  • 3
    Election Commission
    Correct
    Wrong
  • 4
    Finance Commission
    Correct
    Wrong
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Answer : 1. "National Advisory Council"
Explanation :

Answer: A) National Advisory Council Explanation: National Advisory Council is NOT a constitutional body.   The National Advisory Council (NAC) of India was an advisory body set up by the first United Progressive Alliance (UPA) government to advise the Prime Minister of India.

Q: The average age of A and B, 2 years ago was 26. If the age of A, 5 years hence is 40 yrs, and B is 5 years younger to C, then find the difference between the age of A and C? 2187 0

  • 1
    11 yrs
    Correct
    Wrong
  • 2
    9 yrs
    Correct
    Wrong
  • 3
    7 yrs
    Correct
    Wrong
  • 4
    13 yrs
    Correct
    Wrong
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Answer : 2. "9 yrs"
Explanation :

Answer: B) 9 yrs Explanation: Let the present ages of A and B be 'x' and 'y' respectively From the given data,  [(x-2) + (y-2)]/2 = 26 => x+y = 56 But given the age of A, 5 years hence is 40 yrs => present age of A = 40 - 5 = 35 yrs => x = 35 => y = 56 - 35 = 21 => Age of B = 21 yrs Given B is 5 years younger to C, => Age of C = 21 + 5 = 26 yrs => Required Difference between ages of A and C = 35 - 26 = 9 yrs.

Q: If x is a whole number, then x²(x² - 1) is always divisible by ? 2186 0

  • 1
    4
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "12"
Explanation :

Answer: C) 12 Explanation: we can do this by trial and error method. Putting x = 2,we get 2²(2² - 1) = 12.checking with other integers, the above equation always gives a value which is a multiple of 12,So, x²(x² - 1) is always divisible by 12.

Q: Which statement regarding the mammalian heart is correct? 2186 0

  • 1
    Blood is pumped from the heart via the atria.
    Correct
    Wrong
  • 2
    Oxygen-loaded blood moves only through the right side of the heart.
    Correct
    Wrong
  • 3
    When the right atrium contracts, it forces blood into the left atrium.
    Correct
    Wrong
  • 4
    In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs.
    Correct
    Wrong
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Answer : 4. "In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs."
Explanation :

Answer: D) In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs. Explanation: In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs is correct regarding mammalian heart.

Q: What can you catch but not throw? 2186 0

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Answer :
Explanation :

A cold or flu illness.

Q: Which statement best compares a line and a point? 2185 0

  • 1
    A point has no dimension and a line has one dimension.
    Correct
    Wrong
  • 2
    A line can have line segments on it whereas a point cannot be on any line segment.
    Correct
    Wrong
  • 3
    point is a location whereas a line has several planes located on it
    Correct
    Wrong
  • 4
    A line can lie on a plane whereas a point cannot lie on a plane.
    Correct
    Wrong
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Answer : 1. "A point has no dimension and a line has one dimension."
Explanation :

Answer: A) A point has no dimension and a line has one dimension. Explanation: A point has no dimension and a line has one dimension is the statement that best compares a line and a point.

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