Question

2
Average age of 5 boys is 18 years. If the youngest boy is 4 years old, find average age of 4 boys.
1
(a) 22-years
2
o (b) 21 years o (c) 18 years
(d) 16-years
​

Answer 1

Answer:

Total age of 5 boys=90

One boy of 4 years is removed then

Average age of 4 boys=86/4=21.5=22

Answer 2

Answer:

23

Step-by-step explanation:

average age is 18

the total age would be 18*5= 90

now the youngest of four years is removed so total become 86 and the average age is 86/4=23