Question

In a class there are 10 boys and 14 girls .one of them is called out by roll number.what is the probability than the one called out is a boy

Answer 1

10/24
=5/12
hope it will help

Answer 2

Given number boys = 10

Number of girls = 14

Total strength in the class = 24

Number of total possible

Outcomes = 24 ----( 1 )

Number favourable

outcomes = 10----(2)

Probability of one called out

is a boy = ( 2)/( 1 )

= 10/24

= 5/12