- The average age of husband, wife and their child 3 years ago was 27 years and that of wife and child 5 years ago was 20 years. The present age of the husband is
a. 35 years
b. 40 years
c. 50 years
d. 45 years
EXPLANATION
Given, average age of husband, wife and their child 3 years ago was 27 years
Therefore, 27*3= 81 + 3 + 3 + 3 = 90 [Sum of their present age]
Sum of Present age of wife and son = 20*2 + 5 + 5= 50
So, age of husband = 90 – 50 = 40 years
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