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A man sells 320 mangoes at the cost price of 400 mangoes. His gain percent is :
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- 15%
- 20%
- 25%
- 10%
Correct Option: C
Let Cost price of each mango is Rs. 1.
Given in question , Selling price of 320 mangoes = Cost price of 400 mangoes
| ⇒ | = | Selling price of mangoes | 400 |
Gain = S.P. - C.P. = 400 - 320 = Rs. 80
| Gain percent = | × 100 | Cost price |
| Gain percent = | × 100 = 25% | 320 |
Second method to solve this question :
Here, p = 400, q = 320
| Profit % = |  | p - q |  | × 100 | |
| q |
| Profit % = | | 400 - 320 | | × 100 | |
| 320 |
| Profit % = | × 100 = 25% | 320 |
