Question
There is 10 rings in a gift box. The average weight of
the first 4 rings is 39 grams and the remaining 6 rings have an average weight of 40 grams. Get the average weight of the total rings. (In the village)Solution
The average weight of the first 4 rings = 39 gm Sum of weight of the first 4 rings = 39 x 4 = 156 gms The average weight of the last 6 rings = 40 gm Sum of weight of the last 6 rings = 40 x 6 = 240 gms Total weight of the 10 rings = 156 + 240 = 396 gms  Average weight of the 10 rings = 396/10 = 39.6 gms
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