The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is :

Options

A. 40 years
B. 50 years
C. 45 years
D. 35 years

Answer

A

Explanation

Total age of husband, wife and their child 3 years ago was `27xx3=81` years
Total age of wife and child five years ago was `20xx2=40` years
`:.` Total age of wife and child 3 years ago
`=40+(2xx2)`
`=40+4=44` years
`:.` Age of husband three years ago
= 81 - 44 = 37 years
Therefore, the present age of husband = 37 + 3 = 40 years