The ratio of the ages of a man and his wife is 4:3. After 4 years, this ratio will be 9:7. If at time of their marriage, the ratio of their ages was 5:3, then how many years ago were they married? |
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(a) |
8 yrs. |
(b) |
10 yrs. |
(c) |
12 yrs. |
(d) |
15 yrs. |
The ratio of the ages of a man and his wife is 4:3. After 4 years, this ratio will be 9:7. If at time of their marriage, the ratio of their ages was 5:3, then how many years ago were they married? |
|||||||
(a) |
8 yrs. |
(b) |
10 yrs. |
(c) |
12 yrs. |
(d) |
15 yrs. |
Let the man’s age be yrs. Then, his wife’s age = yrs.
Then,
Man’s age yrs., Wife’s age = yrs.
Let they married yrs. ago. Then,
So, they were married 12 yrs. ago.