Question

In a class of 4o student 1one 4th students total student are good at swimming 3rd eight at table tennis and the rest are good at archery how many students are good at archery?

Answer 1

Answer:

15

let students who are good at archery be 'x'

so,

1/4×40+3/8×40+x=40

10+15+x=40

25+x=40

x=40-25

x=15