Question

A bag contains 1 rupee 2 rupees and 5 rupees coins in the ratio 4:8:5. The total amount was rs.90. The number of 5 rupee coin was

Answer 1

let 1 rupee coins be 4x

therefore rupees 2 and 5 coins will be 8x and 5x respectively

so 4x + 5×5x + 2×8x = 90

45x = 90

x = 2

therefore 5 rupees coins = 5x = 10