Question

A class of 39 students has an average test score of 24.

Total score of the 39 students 24 X 39 936 Total score of 40 students 39 students plus the topper 40 X 24.25 970 So, score of the topper 970 - 936 34

When the score of the topper is added, the average score of the group increases to 24.25. What is the score of the topper?

A 30

B 26

C 28

D 34

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