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A reduction of 20% in the price of rice enables a buyer to buy 5 kg more for rupees 1200. The reduced price per kg of rice will be:
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- 36
- 45
- 48
- 60
Correct Option: C
Suppose Original price of rice = Rs. y per kg.
| New price = | = Rs. | per kg | 100 | 5 |
According to the question,
| ⇒ | - | = 5 | (4y / 5) | y |
| ⇒ | - | = 5 | 4y | y |
| ⇒ | - | = 5 | y | y |
| ⇒ | = 5 ⇒ 5y = 300 | y |
| ⇒ y = | = Rs. 60 per kg | 5 |
| ∴ New price of rice = Rs. |  | 4 × 60 |  | = Rs. 48 per kg | ||
| 5 |
