The average mark of student in 4 subjects is 75. If the student obtained 80 marks in the fifth subject, then the new average is-

The average mark of student in 4 subjects is 75. If the student obtain

1.	The average mark of student in 4 subjects is 75. If the student obtained 80 marks in the fifth subject, then the new average is-
A.	2.5
B.	6
C.	7
D.	7.5
Answer» C. 7

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The average mark of student in 4 subjects is 75. If the student obtained 80 marks in the fifth subject, then the new average is-

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