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Due to a price hike of 20%, 4 kg. less sugar is available for Rs. 120. What is the initial price per kg of sugar ?
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- Rs. 5 per kg.
- Rs. 4 per kg.
- Rs. 6 per kg.
- Rs. 5.5 per kg.
Correct Option: A
Original price of sugar = Rs. x/kg. (let)
| New price = Rs. | per kg. | 100 |
| = Rs. | per kg. | 5 |
According to the question
| - | = 4 | |||
| x | ||||
| 5 |
| ⇒ | - | = 4 | ||
| x | 6x |
| ⇒ | - | = 4 | ||
| x | x |
| ⇒ | - | = 1 | ||
| x | x |
| = | = 1 | x |
⇒ x = Rs. 5 per kg.
