Question

solve the 10th problem.

Answer 1

let, the no. 10 rs coins = x

then no. of 5 rs coins = x+3

10(x) + 5(x+3) = 195

10x +5x +15 = 195

15x = 195 - 15

x = 180/15

x = 12 coins = no. of 10 rs. coins

no. of 5 rs. coins = 12+ 3 = 15