Question

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

Answer 1

Answer:

10coins

Step-by-step explanation:

let x be the proportion, then we have

4*1*x + 8*2*x + 5*5*x = 90       (given)

4x + 16x + 25x = 90

45x = 90

x = 90/45

x = 2

=> no. of 5 rupee coins is 5x = 5*2 = 10 coins