📢 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 3:5:7. Find the age of the youngest child.
      A 16 years Correct Answer Incorrect Answer
      B 10 years Correct Answer Incorrect Answer
      C 14 years Correct Answer Incorrect Answer
      D 12 years Correct Answer Incorrect Answer

      Solution

      Total age of three children = 20 × 3 = 60 years Let their ages be 3x, 5x and 7x respectively. => 3x + 5x + 7x = 60 => 15x = 60 => x = 4 Therefore the age of youngest child = 4 × 3 = 12 years

      Practice Next

      Relevant for Exams:

      ask-question