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A. 4 1/6 %
B. 6 1/6 %
C. 8 1/3 %
D. 20 %

Explanation:

C.P. of 1 kg = 420/7 = Rs. 6

S.P. of 1 kg = Rs. 6.50
Gain % = 0.50/6 * 100 = 25/3 = 8 1/3 %

Correct Answer: 8 1/3 %

Last Updated: February 07, 2020