CAT Practice Question and Answer

Q: Forbes' 2017 named ______ world's richest man ? 1311 0

  • 1
    Bill Gates
    Correct
    Wrong
  • 2
    Ratan Tata
    Correct
    Wrong
  • 3
    Mukesh Ambani
    Correct
    Wrong
  • 4
    Donald Trump
    Correct
    Wrong
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Answer : 1. "Bill Gates"
Explanation :

Answer: A) Bill Gates Explanation:

Q: Two trains running in opposite directions cross a pole placed on the platform in 47 seconds and 31 seconds respectively. If they cross each other in 33 seconds, what is the ratio of their speeds? 1311 0

  • 1
    1:7
    Correct
    Wrong
  • 2
    7:1
    Correct
    Wrong
  • 3
    2:3
    Correct
    Wrong
  • 4
    3:2
    Correct
    Wrong
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Answer : 1. "1:7"
Explanation :

Answer: A) 1:7 Explanation: Let the speed of the trains be x and y respectively length of train1 = 47xlength of train2 = 31yRelative speed= x + yTime taken to cross each other = 33 s=> 47x+31yx+y= 33=> (47x + 31 y) = 33(x + y)=> 14x = 2y=> x/y = 2/14 = 1/7  = 1:7

Q: Find the value of 1.21x0.91.1x0.11? 1311 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 3. "3"
Explanation :

Answer: C) 3 Explanation: Given   1.21x0.91.1x0.11   = 1.21x100x0.9x101.1x10x0.11x100   = 9   = 3.

Q: A mother can do a certain job in x hours. Her daughter takes twice as long to do the job. Working together, they can do the job in 6 hours. How many hours does the mother take to do the job ? 1311 0

  • 1
    3
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "9"
Explanation :

Answer: C) 9 Explanation: The mother completes the job in x hours.So, the daughter will take 2x hours to complete the same job.   In an hour, the mother will complete 1/x of the total job.In an hour, the daughter will complete 1/2x of the total job.   So, if the mother and daughter work together, in an hour they will complete 1/x + 1/2x of the job.i.e., in an hour they will complete 3/2x of the job.   The question states that they complete the entire task in 6 hours if they work together.i.e., they complete 1/6 th of the task in an hour.   Equating the two information, we get 3/2x = 1/6By solving for x, we get 2x = 18 or x = 9.   The mother takes 9 hours to complete the job.

Q: In the given number series which follows the definite rules then find out the value of (M, N, O, and P) in second number series. 7  18  42  94  204 4   M   N    O     P What value will come in place of P? 1310 0

  • 1
    179
    Correct
    Wrong
  • 2
    184
    Correct
    Wrong
  • 3
    164
    Correct
    Wrong
  • 4
    156
    Correct
    Wrong
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Answer : 4. "156"
Explanation :

Answer: D) 156 Explanation: Here the given series 7  18  42  94  204 follows a pattern that,  7 7 ×2+4 = 18 18 ×2+6 = 42 42 ×2+10 = 94 94 ×2+16 = 204 Similarly, 4 4 ×2+4 = 12 12 ×2+6 = 30 30 ×2+10 = 70 70 ×2+16 = 156 Hence, the value of P = 156.

Q: How can we get 24 as an answer by using 6, 11, 3 and 9? 1307 0

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Answer :
Explanation :

This can be solved in two ways using only 6, 11, 9 and 3 we must get 24. 1. {[(11–6) x 3] + 9} By solving this we get 5 x 3 + 9 = 15 + 9 = 24.   2. [(9–6) x (11–3)] = 3 x 8 = 24.

Q: Which is in India wins Pierre L'Enfant International Planning Excellence Award 2017 ? 1306 0

  • 1
    Banglore
    Correct
    Wrong
  • 2
    Hyderabad
    Correct
    Wrong
  • 3
    Bhubaneshwar
    Correct
    Wrong
  • 4
    Delhi
    Correct
    Wrong
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Answer : 3. "Bhubaneshwar"
Explanation :

Answer: C) Bhubaneshwar Explanation: The American Planning Association (APA) has announced this year's international excellence award for the Bhubaneswar smart city project. The award called Pierre L'Enfant International Planning Excellence Award 2017 will be given on May 8 in New York city. This is the first time in the 50 years history of APA's annual award programme that an Indian city has been recognised for its planning efforts.

Q: Which Bank has been given scheduled bank status by RBI  ? 1306 0

  • 1
    Disha
    Correct
    Wrong
  • 2
    Suryoday
    Correct
    Wrong
  • 3
    Janalakshmi
    Correct
    Wrong
  • 4
    Ujjivan
    Correct
    Wrong
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Answer : 4. "Ujjivan"
Explanation :

Answer: D) Ujjivan Explanation: Ujjivan Small Finance Bank Ltd, a wholly-owned subsidiary of Ujjivan Financial Services Ltd, has been given scheduled bank status by RBI.

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