Problem on Ages Solution Practice Question and Answer

Q:

The average age of three girls is 15 years if their ages are in the ratio 3 : 5 : 7, what will be the age of the youngest girl?

238 0

  • 1
    4
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 2. "9"

Q:

Salim's age is 10 years. His grandfather's age is 62 years. After how many years will his grandfather's age be five times that of Salim?

215 0

  • 1
    5
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 2. "3"

Q:

The average age of A, B and C is 20 years, if the average age of A and B is 19 years, then what is the age of C?

284 0

  • 1
    24 years
    Correct
    Wrong
  • 2
    22 years
    Correct
    Wrong
  • 3
    21 years
    Correct
    Wrong
  • 4
    20 years
    Correct
    Wrong
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Answer : 2. "22 years"

Q:

There are some friends, all less than 20 years. When paired amongst themselves they realize that the sum of their ages is a multiple of 5. If their ages are distinct prime numbers, then the number of possible pairs are: 

377 0

  • 1
    7
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 1. "7"

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