Question

2. Average age of 5 boys is 13 yr. One more boy joins them and the average age becomes 12 yr. The age
of the boy who joins last is
(2) 13 yr
(3) 14 yr
(4) 7 yr
(1) 12 yr​

Answer 1

Answer:

(4) 7 yrs .

thanks I hope it's correct