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A. 10%
B. 15%
C. 20%
D. 25%

Explanation:

Let C.P of each mango = Rs. 1

C.P of 320 mangoes = Rs. 320

S.P of 320 mangoes = Rs. 400

Gain = (80/320 × 100)% = 25 %

Correct Answer: 25%

Last Updated: February 07, 2020