The ages of Ramesh and his wife are 40 years and 36 years, respectively. If the average age of their son and 2 daughters is 13 years, then what is the average age of the family?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 23 years.
Formula used:
Average = Sum of observation/Number of observation --- (1)
Calculations:
Sum of the age of their son and 2 daughters = 13 × 3 = 39
Sum of the whole family = 39 + 40 + 36 = 115
Required average = 115/5 = 23