On Saturday , 20 of the students in a class took a test and their average score was 80. On Tuesday, the other 5 students took the test, and their average score was 90 . what was the average for the entire class?
A. 82
B. 84
C. 85
D. 88
E. None of them
সঠিক উত্তরঃ
A.
82
Explanation:
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