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IBPS RRB Office Assistant 13 Sep 2015 Paper

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Question : 115

Total: 200

The average score of the 25 boys in a class is 34 and the average score of the girls in the same class is 42. If the average score of the whole class (boys and girls together) is 37, how many girls are there in the class ?

15
30
24
18
20

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