A) 53
B) 45
C) 55.3
D) 52. 25
Correct Answer: D
Solution :
Total number of students = 40 + 35 + 45 + 42 = 162 Total marks obtained = (40 × 50) + (35 × 60) + (45 × 55) + (42 × 45) = 8465 Overall average of marks per students \[=\frac{8465}{162}=52.25\].You need to login to perform this action.
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