Question

a bag contains rs 155 in the form of 1 rupee , 50 paise coins and 10 paise coins in the ratio of 3:5:7 . find the number of each type of coins .

Answer 1

Answer:

115=(1rupee-100 paise×3)

(50×5) (10×7)

300x+250x+70x=155 rupee

620x=155

x=155/620

x=4

3×4=12

5×4=20

7×4=28