Question
A gift box has 10 bangles. The average weight of the
first four bangles is 49 gms and the remaining weight of the 6 bangles is 50 gms. Tell the average weight of all bangles (in grams)Solution
The average weight of the first 4 bangles = 49 gm Sum of weight of the first 4 bangles = 49 x 4 = 196 gms The average weight of the last 6 bangles = 50 gm Sum of weight of the last 6 bangles = 50 x 6 = 300 gms Total weight of the 10 bangles = 196 + 300 = 496 gms Average weight of the 10 bangles = 496/10 = 49.6
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