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The cost price of 25 articles is equal to the selling price of 20 of them. The gain or loss percent is given by
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- 20% loss
- 25% gain
- 60% loss
- 75% gain
Correct Option: B
Let the C.P. of each article be $ 1.
∴ C.P. of 20 articles = $ 20
and S.P. of 20 articles = $ 25
Profit = S.P. of 20 articles - C.P. of 20 articles = 25 - 20 = $ 5
| Percentage profit = | × 100 | C.P. of 20 articles |
| Percentage profit = | × 100 = 25% | 20 |
Second method to solve this question :
Here, p = 25, q = 20
Using gain% formula ,
| Gain % = |  |  | × 100 | ||
| q |
| Gain % = | | | × 100 | ||
| 20 |
| Gain % = | = 25% | 20 |
