CAT Practice Question and Answer

Q: The term stagflation refers to a situation where ? 3574 0

  • 1
    Growth has no relation with the change in prices
    Correct
    Wrong
  • 2
    Rate of growth is faster than the rate of price increase
    Correct
    Wrong
  • 3
    Rate of growth is slower than the rate of price increase
    Correct
    Wrong
  • 4
    Rate of growth and prices both are decreasing
    Correct
    Wrong
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Answer : 3. "Rate of growth is slower than the rate of price increase"
Explanation :

Answer: C) Rate of growth is slower than the rate of price increase Explanation: Stagflation is a blend of stagnation (in economic growth) and inflation (rise in prices).

Q: Find out the wrong term in the given series of numbers ?6, 15, 35, 77, 165, 221 1685 0

  • 1
    35
    Correct
    Wrong
  • 2
    165
    Correct
    Wrong
  • 3
    221
    Correct
    Wrong
  • 4
    77
    Correct
    Wrong
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Answer : 2. "165"
Explanation :

Answer: B) 165 Explanation: The given series follow the rule that : Multiplying consecutive prime numbers2,3,5,7,11,13,17,19....2x3 = 63x5 = 155x7 = 357x11 = 7711x13 = 14313x17 = 221So, the wrong term is 165.

Q: The largest 4 digit number exactly divisible by 88 is ? 1482 0

  • 1
    9944
    Correct
    Wrong
  • 2
    9768
    Correct
    Wrong
  • 3
    8888
    Correct
    Wrong
  • 4
    9988
    Correct
    Wrong
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Answer : 1. "9944"
Explanation :

Answer: A) 9944 Explanation: The largest 4 digit number is = 9999After dividing 9999 with 88, we get 55 as remainderso largest 4 digit number divisible by 88 = 9999-55 = 9944.

Q: If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to ? 1877 0

  • 1
    13/125
    Correct
    Wrong
  • 2
    14/57
    Correct
    Wrong
  • 3
    11/120
    Correct
    Wrong
  • 4
    16/41
    Correct
    Wrong
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Answer : 3. "11/120"
Explanation :

Answer: C) 11/120 Explanation: Let the numbers be a and b.We know that product of two numbers = Product of their HCF and LCMThen, a + b = 55 and ab = 5 x 120 = 600.=> The required sum = (1/a) + (1/b) = (a+b)/ab=55/600 = 11/120

Q: Last year vivek saved 10% of his annual earnings, this year he earned 5% more than last year and he saved 12% of his annual earnings. The amount saved this year was what percentage of the amount saved last year ? 1393 0

  • 1
    87%
    Correct
    Wrong
  • 2
    98%
    Correct
    Wrong
  • 3
    138%
    Correct
    Wrong
  • 4
    126%
    Correct
    Wrong
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Answer : 4. "126%"
Explanation :

Answer: D) 126% Explanation: Suppose total earnings = Rs. 1000010% saving = 10000 x (10/100) = Rs. 1000This year 5% more income than prev year = Rs. 1050012% saving = 10500 x (12/100) = Rs. 1260Percentage of amount saved = (1260/1000) x 100 = 126%

Q: In a family, each daughter has the same number of brothers as she has sisters and each son has twice as many sisters as he has brothers. How many sons are there in the family ? 1615 0

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

Answer: C) 3 Explanation: Assume the family has X girls and Y boys, according to the question,we can have 2 equations:X-1=Y, 2(Y-2)=X.Solve the equations, we get X=4, Y=3.

Q: If selling price is doubled, the profit triples. Find the profit percent ? 1653 0

  • 1
    100%
    Correct
    Wrong
  • 2
    200%
    Correct
    Wrong
  • 3
    300%
    Correct
    Wrong
  • 4
    400%
    Correct
    Wrong
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Answer : 1. "100%"
Explanation :

Answer: A) 100% Explanation: Let the C.P be Rs.100 and S.P be Rs.x, Then The profit is (x-100)Now the S.P is doubled, then the new S.P is 2xNew profit is (2x-100)Now as per the given condition; => 3(x-100) = 2x-100By solving, we get x = 200Then the Profit percent = (200-100)/100 = 100Hence the profit percentage is 100%

Q: 'Minamata' disease was caused by ? 1051 0

  • 1
    Lead
    Correct
    Wrong
  • 2
    Mercury
    Correct
    Wrong
  • 3
    Cadmium
    Correct
    Wrong
  • 4
    Zinc
    Correct
    Wrong
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Answer : 2. "Mercury"
Explanation :

Answer: B) Mercury Explanation:

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