CAT Practice Question and Answer

Q: I have four fingers and a thumb, but not alive. Who am I? 2963 0

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Answer :
Explanation :

A glove. It has 5 fingers as we have but not alive.

Q: The Length of the Day is determined in 2959 0

  • 1
    length of the hours
    Correct
    Wrong
  • 2
    length of the year
    Correct
    Wrong
  • 3
    astronomical units
    Correct
    Wrong
  • 4
    solar terms
    Correct
    Wrong
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Answer : 3. "astronomical units"
Explanation :

Answer: C) astronomical units Explanation: The Length of the Day is determined in Astronomical Units. The length of a day corresponds to the time the Earth takes to turn around on its axis, which is approximately 24 hours. But it's not exactly 24 hours.  This phenomenon is due to tides raised by the Moon which slow Earth's rotation. Because of the way the second is defined, the mean length of a day is now about 86 400.002 seconds, and is increasing by about 1.7 milliseconds per century.

Q: 82.5% of 2360? 2958 0

  • 1
    1960
    Correct
    Wrong
  • 2
    1954
    Correct
    Wrong
  • 3
    1947
    Correct
    Wrong
  • 4
    1931
    Correct
    Wrong
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Answer : 3. "1947"
Explanation :

Answer: C) 1947 Explanation: Given 82.5% of 2360  82.5100 x 2360 = 0.825 x 2360 = 1947

Q: 7, 11, 19, 35, ? Find the next number in the given number series? 2955 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: The absorption of ink by blotting paper involves 2955 0

  • 1
    viscosity of ink
    Correct
    Wrong
  • 2
    diffusion of ink through the blotting
    Correct
    Wrong
  • 3
    capillary action phenomenon
    Correct
    Wrong
  • 4
    siphon action
    Correct
    Wrong
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Answer : 3. "capillary action phenomenon"
Explanation :

Answer: C) capillary action phenomenon Explanation: The absorption of ink by blotting paper involves capillary action phenomenon because the blotting paper is a thin and a smooth paper which allows a little thicker liquids like ink to absorb.

Q: 40% of 265 + 35% of 180 = 50% of ? 2952 0

  • 1
    383
    Correct
    Wrong
  • 2
    338
    Correct
    Wrong
  • 3
    84.5
    Correct
    Wrong
  • 4
    253.5
    Correct
    Wrong
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Answer : 2. "338"
Explanation :

Answer: B) 338 Explanation: We know that 40% = 25   40% of 265 + 35% of 180 = 50% ?   25 x 265 + 35% of 180 = 50% ?   We know that (35% of 180 = 180% of 35) & 180% = 95   25 x 265 + 95 x 35 = 50% ?   106 + 63 = 50% ?   ?= 2 x 169 = 338.

Q: 6 B in an O? 2950 0

  • 1
    6 books in an order
    Correct
    Wrong
  • 2
    6 balls in an over
    Correct
    Wrong
  • 3
    6 bats in an odd
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "6 balls in an over"
Explanation :

Answer: B) 6 balls in an over Explanation: 6 b in an o means 6 balls in an over in cricket.

Q: A sum of Rs.1890 has to be used to give 9 prizes to the customers of a super market for their overall academic purchases. If each prize is Rs.30 less than its preceding price, what is the least value of the price ? 2950 0

  • 1
    90
    Correct
    Wrong
  • 2
    95
    Correct
    Wrong
  • 3
    85
    Correct
    Wrong
  • 4
    80
    Correct
    Wrong
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Answer : 1. "90"
Explanation :

Answer: A) 90 Explanation: Let the least value of the prize = Rs. x Then the next value of the prize is x+30 , x+60, x+90, ....x+240. Given total amount of cash prizes = Rs.1890 --> x + (x+30) + (x+60) + (x+90) + ....+ (x+240) = 1890 --> 9x + (30 + 60 + 90 + 120 + 150 + 180 + 210 + 240) = 1890 --> 9x + 30(1 + 2 + 3 + 4....+ 8) = 1890 --> 9x + 30(36) = 1890 --> 9x = 810 --> x=90 Hence the least value of the prize x=90

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