The ratio of the ages of two persons is 4: 7 and the age of one of them is greater than the other by 21 years. The sum of their ages is |
|||||||

a) |
84 |
b) |
77 |
c) |
88 |
d) |
82 |

The ratio of the ages of two persons is 4: 7 and the age of one of them is greater than the other by 21 years. The sum of their ages is |
|||||||

a) |
84 |
b) |
77 |
c) |
88 |
d) |
82 |

127