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A school has 4 section of Chemistry in C...

A school has 4 section of Chemistry in Class X having 40, 35, 45 and 42 students. The mean marks obtained in Chemistry test are 50, 60, 55 and 45 respectively for the 4 sections. Determine the overall average of marks per student

A

53

B

45

C

`55.3`

D

`52.25`

Text Solution

Verified by Experts

The correct Answer is:
D
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