Question

1.The ages of three boys are 15 years 5 months,14 years 7 months and 15 years 6 months.Find the average age of the three.
A. 15 years and 2 months
B. 15 years and 1 months
C. 14 years and 10 months
D. 15 years and 4 months​

Answer 1

Answer:

B. 15 years and 1 months

Answer 2

Step-by-step explanation:

Let the ages of boys are 3x,5x and 7x

➡Average=3x+5x+7x/3=15

➡ 15x/3=15

➡ 5x=15

➡ x=3

So the age of youngest boy is 3x=3×3=9 year