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0 votes
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in Mathematics by (37.5k points)

The average weight of pupils of a class is 46 kg. The average weights of boys and girls are respectively 50 kg and 40 kg. The ratio of the number of boys to the number of girls is 

(1) 2 : 3 

(2) 3 : 2 

(3) 2 : 5 

(4) 5 : 2

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1 Answer

+1 vote
by (39.7k points)

Correct option is (2) 3 : 2

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