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A. 80%
B. 20%
C. 40%
D. 50%
E. None of these

Explanation:

Number of students passed = 60% of 140 = 60/100 * 140 = 84

Number of students failed = 140 – 84 = 56.
Required percentage = 28/56 * 100 = 50%.

Correct Answer: 50%

Last Updated: February 07, 2020