Correct Answer: 8
Explanation:
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%
Discussion & Comments