The marks of a student were entered as 88 instead of 68. Due to this, – McqOptions

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1.	The marks of a student were entered as 88 instead of 68. Due to this, the average marks of the class increased by 0.5. What is the number of students in the class?
A.	10
B.	20
C.	30
D.	40
Answer» E.

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