Question

Pupils in a class are told to choose one out of
three sports options: tennis, basketball and
badminton. Given that the pupils choose the
options in the ratio 4:2:3 and that 20 choose
tennis, find
(2) the number of pupils in the class;
(b) the number of pupils who choose
badminton
​

Answer 1

let the no. people who choose tennis be 4x

who choose basketball be 2x

and who choose badminton be 3x

it is given that

4x=20

x=5

Now no. of pupil in class

=4x+2x+3x

=9x

=9(5)

=45

and,

the no. of pupil who choose badminton

=3x

=3(5)

=45