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  1. By selling 12 apples for a rupee, a man loses 20%. How many for a rupee should he sell to gain 20%
    1. 8
    2. 10
    3. 15
    4. 16
Correct Option: A

SP = 100/12 paise
Let's CP = x
SP = 0.8x = 100/12
∴ x = 10/(0.8x12) paise
Therefore, CP = 100/9.6 paise

Thus the new SP (with 20% profit) = 100/9.6 X 1.2 = 100/8 paise
Hence, 8 apples can be purchased for Rs.1 to gain 20%


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