In an examination, 1100 boys and 900 girls appeared. 50% of the boys and 40% of the girls passed. What is the failure percentage for all students?
Q1. In an examination, 1100 boys and 900 girls appeared. 50% of the boys and 40% of the girls passed. What is the failure percentage for all students?
Answer: 54.50%
Explanation: Boys failed = 550, girls failed = 540; total failed = 1090 out of 2000; failure rate = 1090/2000 × 100 = 54.5%.