A bag contains 1 rupee, 50 paise and 25 paise coins in the ratio 2 : 3 : 4. If the total amount in the bag is Rs. 45, then find the number of 50 paise coins. |
20 10 30 40 |
30 |
Rs.1 50 P. 25 P. No. of Coins ⇒ 2 : 3 : 4 Value ⇒ 2 : 1.5 : 1 ⇒ 4.5R
4.5R = 45 (given) 1R = 10 No. of 50 P. coins = 3R = 3 × 10 = 30 |