Question

Aruna has only rs 1 and rs2 coins with her if total number of coins that she has is rs50 the amount of money with Her is 75 then find the number of rs1 and rs2 coins

Answer 1

let the no of 1 ruppee coin be x
then no of 2ruppee coin will be 50-x
x(1)+(50-x)(2)=75
100-x=75
x=25
so the no of 1 rupper coin=x=25
and no of 2 ruppee coin=50-x=25Answer