Multiple choice

Mr. Mukherjee is 5 years elder to his wife and they have one son and one daughter. If the daughter is 23 years younger to Mr. Mukherjee and the son, is 16 years younger to his mother, what is the difference in the ages of the brother and the sister?

  1. 2 years

  2. 12 years

  3. 4 years

  4. 7 years

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let the wife's age be w. Then Mr. Mukherjee is w + 5. The daughter is (w + 5) - 23 = w - 18. The son is w - 16. The age difference between brother and sister is (w - 16) - (w - 18) = 2 years. This matches option A.