The average ageof A, B and their C 3 years ago was 25 years and that of B and the C 5 years ago was 10 years. The present age of the A is:	Choose the correct choice from the following options:
A) 46 years
B) 56 years
C) 51 years
D) 58 years
E) 60 years
Sum of the present ages of husband, wife and child = (25 x 3 + 3 x 3) years = 81 years.   Sum of the present ages of wife and child = (10 x 2 + 5 x 2) years = 30 years.   Husband's present age = (81 - 30)= 
<gadget id="calculator">(81 - 30)</gadget>
<output>51</output>
51 years.   51 years
<result>C</result>
The average ageof A, B and their C 3 years ago was 25 years and that of B and the C 5 years ago was 10 years. The present age of the A is: