"The ratio of the ages of a man and his wife is 4:3. After 4 years, this ratio will be 9:7.
Channel: Doubtnut
Date: 2020-04-05

"The ratio of the ages of a man and his wife is
 4:3. After 4 years, this ratio will be 9:7. If t the time of their marriage,
 the ratio f their ages was 5:3, then how many years ago were they married?
a. 8 years b. 10 years c. 12 years
d. 15 years e. none of these"