The average mark of 50 students is 75. If the marks obtained by one of – McqOptions

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1.	The average mark of 50 students is 75. If the marks obtained by one of the student had been written as 36 instead of 86, then the corrected average of marks is:
A.	51
B.	76
C.	36
D.	61
Answer» C. 36

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