### 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%