A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the entire school.

A. 56%

B. 76%

C. 34%

D. 66%

Show Answer

Answer-D
Solution-

Solution(By Apex Team)

 
The number of pass candidates are 2 + 6 + 18 + 40 = 66 out of total 100. Hence, Pass percentage = 66%

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