Problems on Ages Questions Answers

• 22. A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present

  1. 38
  2. 40
  3. 42
  4. 44

  Answer And Explanation

  Answer: Option B

  Explanation:

  Let the mother's present age be x years.
  Then, the person's present age = (2/5 x) years.
  
  => (2/5 x + 8/2) = 1 (x + 8)
  => 2(2x + 40) = 5(x + 8)
  => x = 40

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• 23. The sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be

  1. 15 years
  2. 18 years
  3. 20 years
  4. 22 years

  Answer And Explanation

  Answer: Option C

  Explanation:

  Clue : (60 - x) - 6 = 5(x - 6)

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• 24. Which of following statements are required to answer the Actual age of Abhinav ?
  1. Five years ago, Abhinav's age was double that of his son's age at that time.
  2. Present ages of Abhinav and his son are in the ratio of 11 : 6 respectively.
  3. Five years hence, the respective ratio of Abhinav age and his son's age will become 12 : 7.

  1. 1 and 3
  2. 2 and 3
  3. Any two of three
  4. None of three

  Answer And Explanation

  Answer: Option C

  Explanation:

  From 2nd we get, Present ages of Abhinav and his son is 11x and 6x,
  
  From 1st we get, Abhinav's present age = 2 * Son's age
  
  From 3rd we get, 5 years hence, Abhinav age / Son's age = 12 / 7
  
  From clearly we can get Abhinav age from any of two equations.

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