Question

Average age of 5 boys is 16 yr of which that of 4 boys is 16 yr 3 months. The age of the fifth boy is
a) 15 yr
b) 15 yr 6 months
c) 15 yr 4 months
d) 15 yr 2 months

NOTE: PLEASE GIVE THE ANSWER IN EXPLANATION & WITHOUT SPAM.... I WILL MARK THE ANSWERS AS BRAINIEST...​

Answer 1

Average age of 5 boys = 16 yr

Sum of age of 5 boys= 16×5=80 yr

Average age of 4 boys = 16 yr 3 months

=16yr +3/12yr = 16yr +14 yr

Sum of ages of 4 boys = 4×(16+14)yr

= 64 + 1 = 65 yr

Therefore, Age of 5th boy = (80−65)yr = 15 yr