Question

3by4 of the number of student of a school are boys

Answer 1

Answer:

Let the total no. of students =x

⇒No. of students who come by car=

5

2x

⇒No. of students who come by bus=

4

x

⇒No. of students who come by walk=x−(

5

2x

+

4

x

)

=

20

7x

⇒No, of students who come by walk on their own

⇒

20

7x

×

3

1

=224

x=1920.