CAT Practice Question and Answer

Q: How many remainders are possible if 16n is divided by 9 for any positive integral value of n ? 2601 0

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

Answer: C) 3 Explanation: When 16nis divided by 9, we have  1619, remainder = 7   1629, remainder = 4  1639, remainder = 1  1649, remainder = 7  1659, remainder = 4  1669, remainder = 1  So, we have cyclicity of 3 factors i.e 7,4,1.  Hence only 3 remainders are possible.

Q: 7, 11, 19, 35, ? Find the next number in the given number series? 2600 0

  • 1
    131
    Correct
    Wrong
  • 2
    94
    Correct
    Wrong
  • 3
    83
    Correct
    Wrong
  • 4
    67
    Correct
    Wrong
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Answer : 4. "67"
Explanation :

Answer: D) 67 Explanation: Here the given series 7, 11, 19, 35, ? follows a pattern that (x 2 - 3) i.e, 7 7 x 2 - 3 = 11 11 x 2 - 3 = 19 19 x 2 - 3 = 35 35 x 2 - 3 = 67 67 x 2 - 3 = 131   Hence the next number in the given number series is 67.

Q: France joined the Triple Entente because 2597 0

  • 1
    it needed protection from Germany
    Correct
    Wrong
  • 2
    its leaders wanted to take over land in the Balkans
    Correct
    Wrong
  • 3
    its leaders wanted to protect French colonies in Africa
    Correct
    Wrong
  • 4
    it had a long history of friendship with Great Britain
    Correct
    Wrong
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Answer : 1. "it needed protection from Germany"
Explanation :

Answer: A) it needed protection from Germany Explanation: France joined the Triple Entente because it needed protection from Germany.   France felt very heavily the aggression from Germany (a country which it shared a border with), especially over the tension Alsace and Lorraine and the constant switching over of these two counties. It was also worried about the rapid military advancement in Germany and France wanted to ally itself with Russia and Great Britain.

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Answer : 4. "JXK 12L"
Explanation :

Answer: D) JXK 12L Explanation: The four women seem to agree that the plate starts out with the letter J. Three of them agree that the plate ends with 12L. Three of them think that the second letter is X, and a different three think that the third letter is K. The plate description that has all of these common elements is D.

Q: Which unit holds data temporarily? 2596 0

  • 1
    Secondary storage unit
    Correct
    Wrong
  • 2
    Output Unit
    Correct
    Wrong
  • 3
    Primary Memory Unit
    Correct
    Wrong
  • 4
    Input unit
    Correct
    Wrong
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Answer : 3. "Primary Memory Unit"
Explanation :

Answer: C) Primary Memory Unit Explanation: Memory is the part of the computer that temporarily holds data and instructions before and after they are processed by the ALU.   Memory is also known as primary storage, primary memory, main storage, internal storage, and main memory.   Manufacturers often use the term RAM, which stands for random-access memory.​

Q: Chilling is most commonly practiced by 2595 0

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Answer :
Explanation :

Chilling is most commonly practiced by Food Handlers like restaurents, hotels,...   Chilling or Cooling is nothing but preserving the food in a cool storage like refrigerators.

Q: Government regulation is intended to 2594 0

  • 1
    discourage producers from taking harmful actions.
    Correct
    Wrong
  • 2
    encourage producers to follow the Constitution.
    Correct
    Wrong
  • 3
    discourage producers from making a profit.
    Correct
    Wrong
  • 4
    encourage producers to take negative actions.
    Correct
    Wrong
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Answer : 1. "discourage producers from taking harmful actions."
Explanation :

Answer: A) discourage producers from taking harmful actions. Explanation: Government regulation protects constitutional rights, safety, and fairness.   Hence, Government regulation is intended to discourage producers from taking harmful actions.

Q: If log72 = m, then log4928 is equal to ? 2591 0

  • 1
    1/(1+2m)
    Correct
    Wrong
  • 2
    (1+2m)/2
    Correct
    Wrong
  • 3
    2m/(2m+1)
    Correct
    Wrong
  • 4
    (2m+1)/2m
    Correct
    Wrong
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Answer : 2. "(1+2m)/2"
Explanation :

Answer: B) (1+2m)/2 Explanation: log4928 = 12log77×4   = 12+122log72= 12+log72= 12 + m= 1+2m2.

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