"The average age of a husband and his wife was 23 years at the time of their ma
Channel: Doubtnut
Date: 2020-04-12

"The average
 age of a husband and his wife was 23 years at the time of their marriage. After
 five years they have a one-year old child. The average age of the family now
 is
(a) 19
 years (b) 23 years (c) 28.5 years (d) 29.3 years"