Question

The average age of 16 students is 15 years.whrn a boy of age 18 tears leaves,what will be the average age of remaining 15 students?

Answer 1

The average age of all the students of all the remaining students will be 13 years

Answer 2

[{(16★15)-18}÷15]
=[240-18}÷15
=222÷15
=14.80