A school has 4 sections in class XI having \( 45,42,35 \) and 40 students. The mean marks obtain... VIDEO
A school has 4 sections in class XI having \( 45,42,35 \) and 40 students. The mean marks obtained by the students of the four sections in a Mathematics test were \( 55,45,60 \) and 50 respectively. What was the overall average of the marks per student?https://bit.ly/YTAI_PWAP https://www.pw.live
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