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A merchant changed his trade discount from 25% to 15%. This would increase selling price by
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3 1 % 3 -
6 1 % 6 -
13 1 % 3 -
16 1 % 3
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Correct Option: C
Let us assume the price of article be Rs. M.
| ∴ S.P. at 25% discount = Rs. | = Rs. | ||
| 100 | 4 |
| S.P. at 15% discount = Rs. | = Rs. | ||
| 100 | 20 |
| Increased Price = Rs. |  | − |  | ||
| 20 | 4 |
| Increased Price = Rs. | | | = Rs. | ||
| 20 | 10 |
| ∴ Percentage increase = | × 100 | ||
| 10 | |||
| 4 |
| ∴ Percentage increase = | × | × 100 | ||
| 10 | 3M |
| ∴ Percentage increase = | = 13 | % | ||
| 3 | 3 |
