A) 60.05
B) 59.35
C) 62.15
D) 60.75
Correct Answer: D
Solution :
[d] Mean of marks of the students \[=\frac{(60\times 64+40\times 60+60\times 58)}{160}\,=\frac{9720}{160}=60.75\]You need to login to perform this action.
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