CAT Practice Question and Answer

Q: A container contains 50 litres of milk. From that 8 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container ? 3025 0

  • 1
    24.52 litres
    Correct
    Wrong
  • 2
    29.63 litres
    Correct
    Wrong
  • 3
    28.21 litres
    Correct
    Wrong
  • 4
    25.14 litres
    Correct
    Wrong
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Answer : 2. "29.63 litres"
Explanation :

Answer: B) 29.63 litres Explanation: Given that container has 50 litres of milk.  After replacing 8 litres of milk with water for three times, milk contained in the container is:  ⇒501-8503 ⇒50×4250×4250×4250  = 29.63 litres.

Q: A trader mixes 36 kg of rice at Rs. 20 per kg with 14 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is: 3025 0

  • 1
    25%
    Correct
    Wrong
  • 2
    21.14%
    Correct
    Wrong
  • 3
    22.54%
    Correct
    Wrong
  • 4
    27.32%
    Correct
    Wrong
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Answer : 3. "22.54%"
Explanation :

Answer: C) 22.54% Explanation: C.P. of 50 kg rice = Rs. (36 x 20 + 14 x 36) = Rs. (720 + 504) = Rs.1224.   S.P. of 56 kg rice = Rs. (50 x 30) = Rs.1500. Profit = 1500 - 1224 = Rs.276    Profit % = ProfitC.P×100  = 2761224×100 = 22.54%.

Q: Which of the following is not true about remote desktop? 3024 1

  • 1
    Windows firewall can block Remote Desktop connections
    Correct
    Wrong
  • 2
    you can start the remote desktop client using the mstsc command
    Correct
    Wrong
  • 3
    by default all users can access Remote Desktop
    Correct
    Wrong
  • 4
    the client can be running any version of Windows 7
    Correct
    Wrong
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Answer : 3. "by default all users can access Remote Desktop"
Explanation :

Answer: C) by default all users can access Remote Desktop Explanation:

Q: Rajan's present age is three times his daughter's and nine-thirteenth of his mother's present age. The sum of the present ages of all three of them is 125 years. What is the difference between the present ages of Rajan's daughter and Rajan's mather ? 3024 0

  • 1
    32 years
    Correct
    Wrong
  • 2
    48 years
    Correct
    Wrong
  • 3
    62 years
    Correct
    Wrong
  • 4
    50 years
    Correct
    Wrong
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Answer : 4. "50 years"
Explanation :

Answer: D) 50 years Explanation: Let Rajan's present age be 'x' years.=> Then his daughter's present age is = x/3 years.His mother's present age = 13x/9 yearsNow, according to the question,x + x/3 + 13x/9 = 125=> x = 125x9/25 = 45Therefore, required difference = 13x/9 - x/3 = 13x - 3x/9 = 10x/9=> 10 x 45/9 = 50 years.

Q: Rajesh rows in still water with a speed of 4.5 kmph to go to a certain place and comes back. Find his average speed for the whole journey, if the river is flowing with a speed of 1.5 kmph? 3022 0

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

Answer: B) 4 kmph Explanation: Let the distance in one direction = k kms Speed in still water = 4.5 kmph Speed of river = 1.5 Hence, speed in upstream = 4.5 - 1.5 = 3 kmph Speed in downstream = 4.5 + 1.5 = 6 kmph Time taken by Rajesh to row upwards = k/3 hrs Time taken by Rajesh to row downwards = k/6 hrs Now, required Average speed =Total distanceTotal speed = 2kk3 + k6 = 2k x 186k + 3k = 4 kmph    Therefore, the average speed of the whole journey = 4kmph.

Q: What is the Name of first cricketer of India to have a cricket stadium in the name of him ? 3022 0

  • 1
    Sachin Tendulkar
    Correct
    Wrong
  • 2
    Sunil Gavaskar
    Correct
    Wrong
  • 3
    Saurav Ganguly
    Correct
    Wrong
  • 4
    Virender Sehwag
    Correct
    Wrong
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Answer : 2. "Sunil Gavaskar"
Explanation :

Answer: B) Sunil Gavaskar Explanation: The legendary Indian cricketer Sunil Gavaskar has achieved a number of milestones in his cricket career and till this day, can now add another feather to his illustrious cap as a stadium in the United States of America will be named after him and he remains an inspiration for aspiring batsmen across India. The stadium, which is being built in Louisville, Kentucky, will be named as Sunil Gavaskar Field. It is a first for any Indian cricketer.

Q: Arun purchased 30 kg of wheat at the rate of Rs. 11.50 per kg and 20 kg of wheat at the rate of 14.25 per kg. He mixed the two and sold the mixture. Approximately what price per kg should be sell the mixture to make 30% profit ? 3021 0

  • 1
    Rs. 17.80
    Correct
    Wrong
  • 2
    Rs. 16.30
    Correct
    Wrong
  • 3
    Rs. 14
    Correct
    Wrong
  • 4
    Rs. 15.40
    Correct
    Wrong
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Answer : 2. "Rs. 16.30"
Explanation :

Answer: B) Rs. 16.30 Explanation: C.P. of 50 kg wheat = (30 * 11.50 + 20 * 14.25) = Rs. 630. S.P. of 50 kg wheat = 130% of Rs. 630 = 130/100 * 630 = Rs. 819. S.P. per kg = 819/50 = Rs. 16.38 = 16.30.

Q: Find the missing number in the series 1, 6,  ?, 15, 45, 66, 91 3020 1

  • 1
    24
    Correct
    Wrong
  • 2
    28
    Correct
    Wrong
  • 3
    32
    Correct
    Wrong
  • 4
    26
    Correct
    Wrong
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Answer : 2. "28"
Explanation :

Answer: B) 28 Explanation: Here the given series 1, 6,  ?, 15, 45, 66, 91 follows a Pattern in the series is, +5, +9, +13,...,.. +21, +25 So +4 is getting increased at every term addition. Missing Number in the series will be 15+(9+4) = 15 + 13 = 28.

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