Practicing Success
A bag contains 50 paisa, 25 paisa and 10 paisa coins in the ratio of 7 : 4 : 3. If the total amount in the bag is Rs.144, then find the number of 10 paise coins. |
120 90 75 70 |
90 |
50 P. 25 P. 10 P. No. of Coins ⇒ 7 : 4 : 3 Value ⇒ 3.5 : 1 : .3 ⇒ 4.8R
4.8R = 144 (given) 1R = 30 No. of 10 P. coins = 3R = 3 × 30 = 90 |