# If A is now 9 years older than B, the present age of B is :

In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B, the present age of B is

- 19 years
- 29 years
- 39 years
- 49 years

In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B, the present age of B is

- 19 years
- 29 years
- 39 years
- 49 years