A dishonest dealer defrauds, by false balance to the extent of $10 %$ in buying as well as selling his goods. Find its gain percent.

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Solution

The correct option is D

When he buys 100 kg of things with the false balance, the dishonest dealer actually gets = 110 kg of things.
While selling, he actually sells = 100 - $\frac{10}{100} \times$ 100 = 90 kg
So, profit = 110 kg - 90 kg = 20 kg
Profit percentage = $\frac{20}{90} \times 100$ $%$ = $22.22 %$

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A dishonest dealer defrauds, by false balance to the extent of 10% in buying as well as selling his goods. Find its gain percent.

The correct option is D When he buys 100 kg of things with the false balance, the dishonest dealer actually gets = 110 kg of things. While selling, he actually sells = 100 - 10100× 100 = 90 kg So, profit = 110 kg - 90 kg = 20 kg Profit percentage = 2090×100% = 22.22%

A dishonest dealer defrauds, by false balance to the extent of $10 %$ in buying as well as selling his goods. Find its gain percent.