Question
Quantitative Aptitude Question on Percentage
A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentages of these classes are 20%, 30%, 60% and 100% respectively. Find the pass percentage of the entire school.
A
56%
B
76%
C
34%
D
66%
Answer
66%
Explanation
Solution
The correct option is (D):66%