CAT Practice Question and Answer

Q: How many numbers with distinct digits are possible product of whose digits is 18? 2289 0

  • 1
    12
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 2. "8"
Explanation :

Answer: B) 8 Explanation: Two digit numbers: The two digits can be 2 and 9: Two possibilities 29 and 92.Three-digit numbers: The three digits can be 1, 2 and 9 => 3! Or 6 possibilities.We cannot have three digits as (3, 3, 2) as the digits have to be distinct.We cannot have numbers with 4 digits or more without repeating the digits.So, there are totally 8 numbers.

Q: 90 D in a R A 2289 0

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Answer :
Explanation :

90 D in a R A => 90 degrees in a Right Angle.  This is similar to  26 L of the A = 26 Letters of the Alphabet 12 S of the Z.

Q: Which of these is unique to flowering plants? 2289 0

  • 1
    double fertilization
    Correct
    Wrong
  • 2
    an embryo surrounded by nutritive tissue
    Correct
    Wrong
  • 3
    haploid gametophytes
    Correct
    Wrong
  • 4
    pollen production
    Correct
    Wrong
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Answer : 1. "double fertilization"
Explanation :

Answer: A) double fertilization Explanation: In flowering plants one sperm nucleus fertilizes the egg and the other sperm nucleus fuses with two other nuclei found within the ovule, thus forming triploid endosperm.   Hence, double fertilization is unique to flowering plants.

Q: Folder is to document as envelope is to 2288 0

  • 1
    Money
    Correct
    Wrong
  • 2
    Articles
    Correct
    Wrong
  • 3
    Letters
    Correct
    Wrong
  • 4
    Wires
    Correct
    Wrong
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Answer : 3. "Letters"
Explanation :

Answer: C) Letters Explanation: We know that, a folder holds documents in the same way an envelope holds letters.   Hence, Folder : Document :: Envelope : Letter.

Q: The average age of A and B, 2 years ago was 26. If the age of A, 5 years hence is 40 yrs, and B is 5 years younger to C, then find the difference between the age of A and C? 2286 0

  • 1
    11 yrs
    Correct
    Wrong
  • 2
    9 yrs
    Correct
    Wrong
  • 3
    7 yrs
    Correct
    Wrong
  • 4
    13 yrs
    Correct
    Wrong
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Answer : 2. "9 yrs"
Explanation :

Answer: B) 9 yrs Explanation: Let the present ages of A and B be 'x' and 'y' respectively From the given data,  [(x-2) + (y-2)]/2 = 26 => x+y = 56 But given the age of A, 5 years hence is 40 yrs => present age of A = 40 - 5 = 35 yrs => x = 35 => y = 56 - 35 = 21 => Age of B = 21 yrs Given B is 5 years younger to C, => Age of C = 21 + 5 = 26 yrs => Required Difference between ages of A and C = 35 - 26 = 9 yrs.

Q: What determines the value of an item? 2286 0

  • 1
    the capital required to build the factory
    Correct
    Wrong
  • 2
    the unlimited wants of the consumers
    Correct
    Wrong
  • 3
    the resources consumed in production
    Correct
    Wrong
  • 4
    the amount of goods that are produced
    Correct
    Wrong
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Answer : 1. "the capital required to build the factory"
Explanation :

Answer: A) the capital required to build the factory Explanation: Value is the monetary worth of something, in this case, it is an item. In option A, since it is talking about capital which is measured in monetary terms. The value of an item is determined by its quality and its age. Often antiques with good quality are sold in the market with a high value and are sometimes auctioned.

Q: A person says that his son is 5 times as old as his daughter and his wife is 5 times older than his son and he is twice the age of his wife . The sum total of all the ages equals the age of the grand mother who celebrated her 81st birthday today. How old was his son? 2286 0

  • 1
    50 yrs
    Correct
    Wrong
  • 2
    25 yrs
    Correct
    Wrong
  • 3
    72 yrs
    Correct
    Wrong
  • 4
    40 yrs
    Correct
    Wrong
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Answer : 1. "50 yrs"
Explanation :

Answer: A) 50 yrs Explanation: Let the daughter age be 'x'Therefore, Son age = 5x, Mother age = 25x, Person age = 50x. Thus we get, x+5x+25x+50x = 8181x = 81x = 1 Daughter's age = 1, Son's = 5, Mother's = 25, Person's age = 50.

Q: They come out at night without being called and are lost in the day without being stolen. What are they? 2285 0

  • 1
    Light
    Correct
    Wrong
  • 2
    Bats
    Correct
    Wrong
  • 3
    Stars
    Correct
    Wrong
  • 4
    Flights
    Correct
    Wrong
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Answer : 3. "Stars"
Explanation :

Answer: C) Stars Explanation: Stars are what that come out at night without being called and are lost in the day without being stolen.

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