A school has only four classes that contain 10, 20, 30 and 40 students – McqOptions

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1.	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%
E.	None of these
Answer» E. None of these

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