A is two years older than B, who is twice as old as C. If the total of the…
2019
A is two years older than B, who is twice as old as C. If the total of the ages of A, B and C be 27, then how old is B?
- A.
10 years
- B.
3 years
- C.
4 years
- D.
9 years
Attempted by 18 students.
Show answer & explanation
Correct answer: A
Let C be x, so B is 2x and A is 2x + 2. Then (2x + 2) + 2x + x = 27, so 5x = 25 and x = 5. Hence B = 10 years.