"The average age of husband, wife and their child 3 years ago was 27 years and
Channel: Doubtnut
Date: 2020-04-05

"The average
 age of husband, wife and their child 3 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
(a) 35
 years (b) 40 years (c) 50 years (d) None of these"