Sonal is 40 years old and Nithya is 60 years old. How many years ago was the ratio of their ages 3:5? |
|||||||

(a) |
5 yrs. |
(b) |
10 yrs. |
(c) |
20 yrs. |
(d) |
37 yrs. |

Sonal is 40 years old and Nithya is 60 years old. How many years ago was the ratio of their ages 3:5? |
|||||||

(a) |
5 yrs. |
(b) |
10 yrs. |
(c) |
20 yrs. |
(d) |
37 yrs. |

1 Answer

127 votes

Let yrs. ago the ratio of their ages be

Then,

10 yrs. ago, their ages were in the ratio 3 : 5.

127 votes

127