Number Systems
Quick practice
Question 1 of 5
The average total marks of a class of 40 students was 60. If 10 students evaluated their copies and marks of 5 students increased by 10 each while marks of 3 students decreased by 6 each, what will be the new average marks?
A
60.8
B
58.6
C
60.6
D
61.4
E
59.2
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