The ratio of the present ages of a man and his wife is 6 : 5.

The ratio of the present ages of a man and his wife is 6 : 5. Which of the following can't be a possible ratio of their ages 35 years ago?

Quiz

Answer/Solution

7: 6

Steps/Work

6x-35/5x-35 = 7/6
Therefore x=-35
Age cannot be negative.
Answer: D