Ages of A and B are presently in the ratio of 5: 6 respectively. Six years hence this ratio will become 6: 7 respectively. What was B’s age 5 years ago?

Ages of A and B are presently in the ratio of 5: 6 respectively. Six years hence this ratio will become 6: 7 respectively. What was B’s age 5 years ago?

1. 25 Years
2. 30 years
3. 36 years
4. 31 years
5. None of these

Answer:

31 years