The average age of husband, wife and their child 3 years ago was 25 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is Pick one.
A) 22
B) 40
C) 34
D) 21
E) 11
Explanation:   Sum of the present ages of husband, wife and child = (25 x 3 + 3 x 3) years = 84 years.   Sum of the present ages of wife and child (20 x 2 + 5 x 2) years = 50 years.   Husband's present age = (84 - 50)= 
<gadget id="calculator">(84 - 50)</gadget>
<output>34</output>
34 years.   Answer: 34
<result>C</result>
The average age of husband, wife and their child 3 years ago was 25 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is