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The average marks of 39 students of a cl...

The average marks of 39 students of a class is 50. The marks obtained by 40th student are 39 more than the average marks of all the 40 student are 39 more than the average marks of all the 40 students. Find the mean marks of all the 40 students.

A

60

B

65

C

70

D

68

Text Solution

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The correct Answer is:
B
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