Question

A purse has only two Rupee and five rupee coin the sum of coin is 30 and the total value of coin is rupees 144 the number of 2 rupees coin is

Answer 1

Answer:

Let x be no. of two rupee coins and y be no. of five rupee coins.

Given that,

x+y=36...(1)

2x+5y=84...(2)

(1)×5⇒ 5x+5y=180

2x+5y=84

3x=180−84

⇒x=60.28

⇒x=32;y=36−32=4

Therefore no. of five rupee coins are 4.