In a history examination , the average for the entire class was 80 mar – McqOptions

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1.	In a history examination , the average for the entire class was 80 marks. If 10% of the students scored 95 marks and 20% scored 90% marks, what was the average marks of the remaining students of the class?
A.	75
B.	72.5
C.	85
D.	65.5
Answer» B. 72.5

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