The average age of man, women and their child 3 years ago was 27 years and that of women and the child 5 years ago was 20 years. The presentage of the man is?
Choose the most appropriate option:	A) 35	B) 37	C) 40	D) 41	E) 56
Sum of the present ages of man, women and child = (27 x 3 + 3 x 3) years = 90 years.   Sum of the present ages of women and child = (20 x 2 + 5 x 2) years = 50 years.   man's present age = (90 - 50)= 
<gadget id="calculator">(90 - 50)</gadget>
<output>40</output>
40 years.   40
<result>C</result>
The average age of man, women and their child 3 years ago was 27 years and that of women and the child 5 years ago was 20 years. The presentage of the man is?