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SP = 100/12 paise Lets CP = x SP = 0.8x = 100/12 тИ┤ 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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