Question

Visitors to a cinema are either children, adults or pensioners. The ratio of children to adults is 1 : 2 The ratio of adults to pensioners is 3 : 4 A stratified example of 85 is to be taken from the cinema visitors. How many pensioners should be in the sample?

Answer 1

C:A:P

3:6:8=85

C:A

1:2

A:P

3:4

Explanation:

if 17=85

8=?

=40