Question

average age of husband, wife and their child 3 yrs ago = 27 years
average age of wife and the child 5 years ago = 20 years
The present age of husband = ?

Answer 1

Step-by-step explanation:

Sum of the present ages of husband, wife and child =(27×3+3×3) years

= 90 years.

Sum of the present ages of wife and child

=(20×2+5×2) years

= 50 years.

∴ Husband's present age

=(90−50) years

=40 years.

This is your correct answer.