in a classof 50 students the average marks of 20 girls is 38 and the average marks of 30 boys is 33 find the average marks scored by students of the class
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total students=50
average of girls=38
average of boys=33
average of whole class=33+38/2
71/2
35.5 answer
average of girls=38
average of boys=33
average of whole class=33+38/2
71/2
35.5 answer
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