Question

In a class of 40 students 1/5 of the total number of studetns like to study English, 2/5 of the total number like to study Mathematics and the remaining students like to study Science. How many students like to study Mathematics?

Answer 1

Given :

Total students = 40


Finding Number of students who like to study English


$40 \times \dfrac{1}{5} = 8$

Number of students like to study English = 8

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Finding Number of students like to study Maths -


$40 \times \dfrac{2}{5} = 16$

Number of students like to study Maths = 16.

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Finding Number of students like to study science -

English students = 8

Maths students = 16 .

8 + 16 = 24

40 - 24 = 16

Number of students like to study science = 16.


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Hence :

Number of students like to study Maths = 16.