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1. The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.





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  • By: guest on 01 Jun 2017 05.44 pm
    Required average = 50.25 x 16 + 45.15 x 8 16 + 8 = 804 + 361.20 24 = 1165.20 24 = 48.55
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