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In a bag, there are three types of coins — 1-rupee, 50 paise and 25-paise in the ratio of 3 : 8 : 20. Their total value is ₹ 372. The total number of coins is
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- 1200
- 961
- 744
- 612
Correct Option: B
Ratio of the number of coins of Re. 1, 50 paise and 25 paise = 3 : 8 : 20
Ratio of the values of these coins
| = 3 : | : | = 3 : 4 : 5 | ||
| 2 | 4 |
| ∴ Value of 1 rupee coins = | × 372 = ₹ 93 | |
| 12 |
| Value of 50 paise coins = | × 372 = ₹ 155 | |
| 12 |
∴ Number of coins
= 93 + 124 × 2 + 155 × 4
= 93 + 248 + 620 = 961
