In an examination, 78% of the total students who appeared were successful. If the total number of failures was 176 and 34% got first-class out of total students, then how many students got first class?
Step-by-step Solution:
Total students = failures / failure percentage = 176 / 0.22 = 800 Students with first class = 0.34 × 800 = 272 Answer: 272