Multiple choice

The average age of two brothers is 52 years. If the age of the younger brother is 40 years. Find the difference in ages of the younger and elder brother?

  1. 64 years

  2. 24 years

  3. 42 years

  4. 46 years

  5. 34 years

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

Average × 2 gives the sum of ages: 52 × 2 = 104 total. If younger is 40, elder is 104 - 40 = 64. The difference is 64 - 40 = 24 years.