Question
The average marks scored by 32 boys and 38 girls are 70
and 92 respectively. Find the average marks scored by all the students together. (Answer should be rounded off to the nearest integer)Solution
ATQ, Required average = (32 X 70 + 38 X 92) ÷ (32 + 38) = (2,240 + 3,496) ÷ 70 = (5,736 / 70) ≈ 82
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