Question

Pencils pens and exercise books in a shop are
in the ratio of 10: 2:3 if there are 120 pencils
the number of exercise books in the shop is.
a) 35
b) 36
c) 37
d) 38

Answer 1

Let the measures of the ratio 10:2:3 be 10x,2x and 3x

Now,

10x + 2x + 3x = 120

=>15x = 120

=>x= 120/15

=>x = 8

Answer 2

Answer:

10:2:3

There is 120 pencils

10x=120

X=120/10

X=36