Multiple choice

A girl is twice as old as her brother and half as old as her father. After 26 years her brother's age will be half of her father's age. What is the present age of the girl ?

  1. 23 years

  2. 25 years

  3. 26 years

  4. 29 years

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

Let brother's age be x. Then girl = 2x and father = 4x. After 26 years: (x+26) = 1/2(4x+26). Solving: x+26 = 2x+13, giving x=13. Girl's present age = 2x = 26. Option C is correct.