The present ages of A and B is 15 years and 17 years respectively. What was the ratio of ages of A and B, 5 years ago?
Show answer & explanation
Correct answer: B
Explanation
A's current age = 15 years
B's current age = 17 years
5 years ago:
A = 15 − 5 = 10 years
B = 17 − 5 = 12 years
Ratio:
A : B = 10 : 12
5 : 6
Correct option: 5 : 6