The average age of a husband, wife and their child 12 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) 19.01 years	B) 5.25 years	C) 16 years	D) 15 years	E) 4.75 years
Sum of the present ages of husband, wife and child   = (23 * 2 + 5 * 2) = 57 years.   Required average   = 57/12= 
<gadget id="calculator">57/12</gadget>
<output>19/4 = around 4.75</output>
4.75 years.   Answer:4.75 years
<result>E</result>
The average age of a husband, wife and their child 12 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?