The total age of three persons is 60 years. The ages are in proportion 1:2:3 What are their ages?

The average age of three boys is 25 years and their af age in the proportion 3:5:7. The age of the youngest boy is 9backslash years b.15 years c.18backslash years d.21 years

The average age of three boys is 25 years and their ages are in the ratio 3:5:7 . The age of the youngest boy is :

The total age of a mother and her son is 60 years. The difference between their ages is 30 years. Find out the age of the mother.

The average age of 3 persons is 30 years.If their ages are in the ratio of 3:5:7 respectively, then the age ofthe eldest person is:

The present ages of three persons are in the proportion 4:7:9. Eight years ago, the sum of their ages was 56 years. The present age of the eldest person is a. 19 years b. 29 years c. 39 years d. 49 years e. none of these