CAT Practice Question and Answer

Q: In a triangle ABC, angle 'a' is the smallest one & A+7B = 112. Find the range of value 'c' ? 1581 0

  • 1
    138 to 164
    Correct
    Wrong
  • 2
    125 to 147
    Correct
    Wrong
  • 3
    148 to 158
    Correct
    Wrong
  • 4
    152 to 164
    Correct
    Wrong
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Answer : 4. "152 to 164"
Explanation :

Answer: D) 152 to 164 Explanation: A+7B=112 it is clear that A = 14, then it becomes A>=B, but A is smallest angle) givenso, range of A is 0.0001 to 13.9999 ( I am taking upto 4 decimal places)so, range of B becomes 14 to 16 ( after rounding off to 4 decimal places)so, range of C becomes 152 to 164 ( after rounding off to 4 decimal places)

Q: A man reduces his travelling time by a fraction of 2/5, as a result the distance covered by the man is increased by 20%, find the percentage increase in the speed of the man ? 1581 0

  • 1
    77%
    Correct
    Wrong
  • 2
    88%
    Correct
    Wrong
  • 3
    100%
    Correct
    Wrong
  • 4
    99%
    Correct
    Wrong
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Answer : 3. "100%"
Explanation :

Answer: C) 100% Explanation:

Q: Maximum age limit of President of India 1581 0

  • 1
    30
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    45
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 4. "None of the above"
Explanation :

Answer: D) None of the above Explanation: There is no maximum age limit for the President of India. Minimum age limit for president of India is 35 years.

Q: What always works with something in its eye? 1580 0

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Answer :
Explanation :

A Needle works when it has thread in its eye that is in its tiny hole.

Q: Lasya invested certain amount for two rates of simple interests at 5% p.a. and 4% p.a. What is the ratio of Lasya's investments if the interests from those investments are equal ? 1580 0

  • 1
    4 : 5
    Correct
    Wrong
  • 2
    5 : 4
    Correct
    Wrong
  • 3
    7 : 6
    Correct
    Wrong
  • 4
    6 : 7
    Correct
    Wrong
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Answer : 1. "4 : 5"
Explanation :

Answer: A) 4 : 5 Explanation: Let x be the investment of Lasya in 5% and y be in 4% x(5)(n)/100 = y(4)(n)/100 => x/y = 4/5 x : y = 4 : 5

Q: Molar mass of HNO3? 1580 0

  • 1
    63 g/mol
    Correct
    Wrong
  • 2
    53 g/mol
    Correct
    Wrong
  • 3
    48 g/mol
    Correct
    Wrong
  • 4
    52 g/mol
    Correct
    Wrong
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Answer : 1. "63 g/mol"
Explanation :

Answer: A) 63 g/mol Explanation: Calculation of molar mass of HNO3: Atomic masses of H, N, O are 1, 14, 16 respectively Now the molar mass of HNO3 is HNO3 = 1X1 + 1X14 + 3X16 = 1 + 14 + 48 = 63 g/mol or amu.

Q: What is located at 180 degrees longitude? 1579 0

  • 1
    Fiji
    Correct
    Wrong
  • 2
    Russia
    Correct
    Wrong
  • 3
    Antarctica
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"
Explanation :

Answer: D) All of the above Explanation: The 180th meridian or antimeridian is the meridian 180° east or west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres. It is common to both east longitude and west longitude. It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean. However, the meridian passes through Russia and Fiji as well as Antarctica.

Q: Diego Garcia is 1579 0

  • 1
    An Island
    Correct
    Wrong
  • 2
    A Country
    Correct
    Wrong
  • 3
    An Ocean
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 4. "None"
Explanation :

Answer: D) None Explanation: Diego Garcia is a chain of Islands in the Indian ocean with large military base under British Indian Ocean Territory. The U.S. military facility on the island of Diego Garcia in the Indian Ocean represents a horrific example of the human costs of war and imperialism.

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