Mathematics
NULL
Medium
Question
A dealer claims to sell at cost price but uses a 900 g weight for a kilogram. What is his gain percent?
A
9
B
10
C
11
D
11.111111111111
✓ Official correct answer
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A
9
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B
10
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C
11
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D
11.111111111111
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Explanation
He gives 900 g for the price of 1000 g. Gain = 100/900 × 100 = 11 1/9%.