📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      The average age of three children is 20 years. If their

      ages are in the ratio 5:6:9. Find the age of the youngest child.
      A 12 years Correct Answer Incorrect Answer
      B 10 years Correct Answer Incorrect Answer
      C 7 years Correct Answer Incorrect Answer
      D 15 years Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Total age of three children = 20 × 3 = 60 years Let their ages be 5x, 6x and 9x respectively. => 5x + 6x + 9x = 60 => 20x = 60 => x = 3 Therefore the age of youngest child = 5 × 3 = 15 years

      Practice Next
      ask-question