Question

15. In a class of 40 students 1/5 of the total number of students like to study English2/5 of the total number
like to study Mathematics and remaining student like to study Science.
a. How many students like to study Science?
b. How many students like to study Mathematics?​

Answer 1

Total no. of students = 40

No. of students like to study english=

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

B. No. of students like to study mathematics=

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

A. No. of students like to study science =

$40 - 16 + 8 = 40 - 24 = 16$

Answer 2

Answer:

ANSWER A. to find the no. of students like to study science , we have to first find the no. of students like to study math and english and add them and subtract them from 40.

so, the no. of students like to study math are = 1/5 of 40= 8 students

and no. of students like to study english are = 2/5 of 40= 16 students

so, 8+16= 24

40-24=16 students

ANSWER B.2/5 of 40= 16 students

so 16 students like to study math

Step-by-step explanation: