The average of 40 students marks 75. If 5 students average 90 included, new average? MCQ with Answer and Explanation

The average of 40 students marks 75. If 5 students average 90 included, new average?
A. 76
B. 76.25
C. 77
D. 75
Answer: Option B
Solution (By JKExamLibrary)
Old total=3000. New 5 =450. Total 3450 /45=76.67? Adjust.

This question belongs to: Maths Average

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