In a class of 140 students, 60% of them passed. By what percentage is the number of students who passed more than the number of failed students?
Q1. In a class of 140 students, 60% of them passed. By what percentage is the number of students who passed more than the number of failed students?
Answer: 50%
Explanation: Passed = 84, failed = 56; the percentage by which passed exceeds failed is (84 − 56) / 56 × 100 = 50%.