Question

The average age of 8 boys is 12 years. If a boy of 19 years leaves, the average age of the remaining body is-

Answer 1

Answer:

11 years

Step-by-step explanation:

8 boys avg : 12

total age 12*8

boy aged 19 leaves

remaining age of 7 boys is : 96-19 = 77

now avg of 7 boys is : 77/7 i.e 11