CAT Practice Question and Answer

Q: The process of encoding refers to 2388 0

  • 1
    getting information into memory.
    Correct
    Wrong
  • 2
    the recall of information previously learned.
    Correct
    Wrong
  • 3
    a clear memory of an emotionally significant event.
    Correct
    Wrong
  • 4
    the persistence of learning over time.
    Correct
    Wrong
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Answer : 1. "getting information into memory."
Explanation :

Answer: A) getting information into memory. Explanation: Encoding refers to the getting information into memory.

Q: Pointing towards a photograph kiran said to chotu, "I am the only daughter of this lady and her son is your maternal uncle " How is the kiran related to chotu's father  ? 2386 0

  • 1
    Cousin
    Correct
    Wrong
  • 2
    Daughter
    Correct
    Wrong
  • 3
    Sister
    Correct
    Wrong
  • 4
    Wife
    Correct
    Wrong
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Answer : 4. "Wife"
Explanation :

Answer: D) Wife Explanation:   So, the speaker is the mother of chotu. Kiran is wife of chotu's father. Chotu's father is not shown in the diagram.

Q: Sonika invested an amount of Rs.5800 for 2 years. At what rate of compound interest will she get an amount of Rs.594.50 at the end of 2 years ? 2385 0

  • 1
    6.5%
    Correct
    Wrong
  • 2
    6%
    Correct
    Wrong
  • 3
    5%
    Correct
    Wrong
  • 4
    4.5%
    Correct
    Wrong
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Answer : 3. "5%"
Explanation :

Answer: C) 5% Explanation: C.I = P1+r100t-1   594.5 = 58001+r1002-1  594.55800+1=1+r1002   r100=1.05-1=0.05=> r = 5 % .

Q: Choose the Antonym of the following word 'Autonomy' 2385 0

  • 1
    Antipathy
    Correct
    Wrong
  • 2
    Dependence
    Correct
    Wrong
  • 3
    Antruism
    Correct
    Wrong
  • 4
    Animation
    Correct
    Wrong
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Answer : 2. "Dependence"
Explanation :

Answer: B) Dependence Explanation: 'Autonomy' means personal independence. Hence, the word 'dependence' is farthest in meaning to the given word 'Autonomy'.

Q: What is the common ratio of the following geometric sequence? 4, 2, 1, 0.5, 0.25, 0.125,... 2384 0

  • 1
    0.5
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    1.5
    Correct
    Wrong
  • 4
    -0.5
    Correct
    Wrong
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Answer : 1. "0.5"
Explanation :

Answer: A) 0.5 Explanation: In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.   Herein the given sequence, 4, 2, 1, 0.5, 0.25, 0.125,... Common Ratio r = 2/4 = 1/2 = 0.5/1 = 0.25/0.5 = 0.125/0.25 == 0.5.

Q: Length of train is 170 meters and speed of train is 63 km/hour. This train can pass a bridge in 30 seconds, then find the length of the bridge. 2384 0

  • 1
    355 mts
    Correct
    Wrong
  • 2
    325 mts
    Correct
    Wrong
  • 3
    365 mts
    Correct
    Wrong
  • 4
    312 mts
    Correct
    Wrong
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Answer : 1. "355 mts"
Explanation :

Answer: A) 355 mts Explanation: Given speed = 63 km/hr = 63×518=352 m/s Let the length of the bridge = x mts Given time taken to cover the distance of (170 + x)mts is 30 sec. We know speed = distancetimem/s ⇒352=170+x30  -->  x = 355 mts.

Q: The third proportional to 9 and 12 is ? 2382 0

  • 1
    14
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 2. "16"
Explanation :

Answer: B) 16 Explanation: Let the third proportion to 9 & 12 be 'x'. => 9:12 = 12 :p => p = 12x12/9 = 16.

Q: The difference between the time taken by two trains to travel a distance of 350 km is 2 hours 20 minutes. If the difference between their speeds is 5 km/hr, what is the speed of faster train ? 2379 0

  • 1
    36 kmph
    Correct
    Wrong
  • 2
    30 kmph
    Correct
    Wrong
  • 3
    34 kmph
    Correct
    Wrong
  • 4
    40 kmph
    Correct
    Wrong
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Answer : 2. "30 kmph"
Explanation :

Answer: B) 30 kmph Explanation: Let the speed of the faster train be 'S' kmph   Then speed of the slower train will be '(S-5)' kmph   Time taken by faster train = 350/S hrs   Time taken by slower train = 350/(S-5) hrs  350s-5 - 350s = 2 hrs 20 min = 213 = 73   => S = 30 km/hr.

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