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A milkman bought 70 litres of milk for $ 630 and added 5 litres of water. If he sells it at 9.00 per litre, his profit percentage is
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8 1 % 5 - 7%
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8 2 % 5 -
7 1 % 7
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Correct Option: D
Given , Cost Price of 75 litres of mixture of milk and water = 630
Selling Price of 75 litres of mixture of milk and water = 9 × 75 = 675
Gain = SP - CP = 675 – 630 = 45
| ∴ Gain percent = | × 100 | Cost Price of 75 litres of mixture of milk and water |
| Gain percent = | × 100 | 630 |
| Gain percent = | = 7 | % | 7 | 7 |
