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Oranges are bought at rate of 7 for $ 3. At what rate per hundred must they be sold to gain 33%?
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- $ 56
- $ 60
- $ 58
- $ 57
Correct Option: D
Given in question , Cost price of 7 oranges = $ 3
| Cost price of 1 orange = $ | 7 |
| ∴ Cost price of 100 oranges = | × 100 = | 7 | 7 |
| ∵ 100% = | 7 |
For gain 33% ,
| ∴ 133% = | × | = $ 57 | 7 | 100 |
