75% of the students passed in an examination. If 2 more students had passed the examination, 80% would have been successful. How many students are there in the class?

75% of the students passed in an examination. If 2 more students had p

1.	75% of the students passed in an examination. If 2 more students had passed the examination, 80% would have been successful. How many students are there in the class?
A.	40
B.	30
C.	50
D.	32
Answer» B. 30

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75% of the students passed in an examination. If 2 more students had passed the examination, 80% would have been successful. How many students are there in the class?

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