Question
A gift box has 10 bangles. The average weight of the
first 4 bangles is 56gms and the average weight of the remaining 6 bangles is 57 gms. Tell the average weight of all bangles | (in grams)Solution
Average weight of the first 4 bangles = 56 gm Sum of weight of the first 4 bangles = 56 x 4 = 224 gms Average weight of the last 6 bangles = 57 gm Sum of weight of the last 6 bangles = 57 x 6 = 342 gm Total weight of the 10 bangles = 224 + 342 = 566 Â Average weight of the 10 bangles = 566/10 = 56.6
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