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Profit and Loss

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  1. A grocery dealer cheats to the extent of 10% while buying as well as selling by using false weight. What is his increase in the profit %?
    1. 20%
    2. 21%
    3. 22%
    4. None of these
Correct Option: B

Given that , a = b = 10%

Gain percent = a + b +a × b %
100

Gain percent = 10 + 10 +10 × 10% = 21%
100


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