

MCQOPTIONS
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1. |
By selling 30 articles, a shopkeeper gains the selling price of 9 articles. His gain percent is: |
A. | 30 |
B. | 39 |
C. | \(42\frac{6}{7}\) |
D. | \(40\frac{3}{7}a\) |
Answer» D. \(40\frac{3}{7}a\) | |