A pupil's marks were wrongly entered as 83 instead of 63. Due to that – McqOptions

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1.	A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is?
A.	73
B.	40
C.	20
D.	10
Answer» C. 20

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