1. A gift box consists of 10 rings. The average weight of the first 4 rings is 37 grams and the average weight of the remaining 6 rings is 38 grams. Find the average weight of the total rings.(in grams)





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  • By: anil on 05 May 2019 01.13 am
    Average weight of first 4 rings = 37 grams => Weight of first 4 rings = $$37 imes4=148$$ grams Similarly, weight of remaining 6 rings = $$38 imes6=228$$ grams $$ herefore$$ Average weight of the total rings = $$frac{148+228}{10}=37.6$$ grams => Ans - (B)
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