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A dealer sold (3 / 4) th of his articles at a gain of 24% and the remain- ing at the cost price. Percentage of gain in the whole transaction is
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- 15%
- 18%
- 24%
- 32%
Correct Option: B
Let total C.P. = $ 100 and number of articles = 100.
According to question ,
| ∴ Total S.P. at a gain of 24% = $ |  | 75 × 124 | + 25 |  | = $ (93 + 25) = $ 118 | |
| 100 |
