Question

in a bag, there are coins of 25p, 10p and 5p in the ratio of 1:2:3.if there are Rs.30 in all, how many 5p coins are

Answer 1

let the no. of coins having proportions x,2x,3x

then ,by adding it will be 6x

as total isRS30

so,6x=30

x=5

and

no. of 5p coins will be5*5=25

Answer 2

Let ,

the number of coin be x , 2x , 3x

A/Q

x + 2x +3x = 30

6x= 30

x = 30÷6

x = 5

Now,

the 5 paise coins = 3× 5

= 15