A mark list of 30 students prepared by the teacher and average of their marks was 68. But, mark of one student was written as 35 instead of 53. Find the correct average marks.

A mark list of 30 students prepared by the teacher and average of thei

1.	A mark list of 30 students prepared by the teacher and average of their marks was 68. But, mark of one student was written as 35 instead of 53. Find the correct average marks.
A.	67.4
B.	65.6
C.	64.2
D.	68.6
E.	70.2
Answer» E. 70.2

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A mark list of 30 students prepared by the teacher and average of their marks was 68. But, mark of one student was written as 35 instead of 53. Find the correct average marks.

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