CAT Practice Question and Answer

Q: CTRL + ] is used for 1839 0

  • 1
    Re-do
    Correct
    Wrong
  • 2
    Right align text
    Correct
    Wrong
  • 3
    Increase in font size
    Correct
    Wrong
  • 4
    Expand or collapse the ribbon
    Correct
    Wrong
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Answer : 3. "Increase in font size"
Explanation :

Answer: C) Increase in font size Explanation: CTRL + ] is a computer shortcut and is used for Increase in font size.   Shortcuts : Re-do ---- Ctrl + Y Right align text ---- Ctrl + R Expand or collapse the ribbon ---- Ctrl + F1

Q: Simplify the following and find the value of ?   13 of ? + 47 of 114 of 539 = 31% of 2000 1838 0

  • 1
    1134
    Correct
    Wrong
  • 2
    1237
    Correct
    Wrong
  • 3
    1187
    Correct
    Wrong
  • 4
    1249
    Correct
    Wrong
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Answer : 1. "1134"
Explanation :

Answer: A) 1134 Explanation: 13 x ? + 47 x 114 x 539 = 31100 x 2000? = 378 x 3? = 1134

Q: The average of the ages of Sushanth, Krish and Rishi is 43 years and the average of the ages of Sushanth, Rishi and Rohit is 49 years. If Rohit is 54 years old, what is Krish's age ? 1838 0

  • 1
    34 years
    Correct
    Wrong
  • 2
    26 years
    Correct
    Wrong
  • 3
    24 years
    Correct
    Wrong
  • 4
    36 years
    Correct
    Wrong
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Answer : 4. "36 years"
Explanation :

Answer: D) 36 years Explanation: Let present ages of Sushanth = w, Krish = x, Rishi = y and Rohit = z , thenw + x + y = 43 x 3 = 129 ---(i) andw + y + z = 49 x 3 = 147 ---(ii)Subtracting (i) from (ii), (w+y+z) - (w+x+y) = 147 - 129 , z - x = 18 ---(iii)Given Rohit's age=z=54, so from (iii), x = 54 - 18 = 36.Therefore, Krish age is 36 years.

Q: A jogger running at 9 km/hr along side a railway track is 260 m ahead of the engine of a 140 m long train running at 45 km/hr in the same direction. In how much time will the train pass the jogger ? 1837 0

  • 1
    25 sec
    Correct
    Wrong
  • 2
    40 sec
    Correct
    Wrong
  • 3
    38 sec
    Correct
    Wrong
  • 4
    32 sec
    Correct
    Wrong
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Answer : 2. "40 sec"
Explanation :

Answer: B) 40 sec Explanation: Speed of train relative to jogger = 45 - 9 = 36 km/hr.= 36 x 5/18 = 10 m/sec. Distance to be covered = 260 + 140 = 400 m. Time taken = 400/10 = 40 sec.

Q: The ratio of present ages of X and Y is 4:5. Which of the following can't be the ratio of ages of X and Y, 20 years ago ? 1837 0

  • 1
    2 : 5
    Correct
    Wrong
  • 2
    8 : 15
    Correct
    Wrong
  • 3
    9 : 10
    Correct
    Wrong
  • 4
    3 : 5
    Correct
    Wrong
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Answer : 3. "9 : 10"
Explanation :

Answer: C) 9 : 10 Explanation: The ratio of X and Y ages at present is 4:5.  Then, the ratio 20 years ago will not be more than the ratio at present. So, from the options 9:10 is not satifying => its ratio is 0.9 which is greater than presnt ratio of 0.8.

Q: Lime is sometimes applied to soil in order to 1836 0

  • 1
    increase the acidity of the soil
    Correct
    Wrong
  • 2
    make the soil more porous
    Correct
    Wrong
  • 3
    restore nitrates to the soil
    Correct
    Wrong
  • 4
    increase the alkalinity of the soil
    Correct
    Wrong
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Answer : 4. "increase the alkalinity of the soil"
Explanation :

Answer: D) increase the alkalinity of the soil Explanation: Lime is sometimes applied to soil in order to increase the acidity of the soil.

Q: Find the next number in the following number series? 410, 409, 413, 404, ? 1836 0

  • 1
    412
    Correct
    Wrong
  • 2
    415
    Correct
    Wrong
  • 3
    418
    Correct
    Wrong
  • 4
    420
    Correct
    Wrong
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Answer : 4. "420"
Explanation :

Answer: D) 420 Explanation: The given number series 410, 409, 413, 404, ? , follows a pattern that  410 410 - 13 = 409409 + 22 = 413413 - 33 = 404404 + 42 = 420   Hence, the next number in the given series is 420.

Q: Synonym for the word : Bleak 1836 0

  • 1
    bare
    Correct
    Wrong
  • 2
    lush
    Correct
    Wrong
  • 3
    warm
    Correct
    Wrong
  • 4
    verdant
    Correct
    Wrong
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Answer : 1. "bare"
Explanation :

Answer: A) bare Explanation: Bleak means an area of land lacking vegetation and exposed to the elements like deserts.

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