Question 114
A Gift box contains 10 bangles, of which average weight of first 4 bangles is 71 grams and the average weight of remaining 6 bangles is 72 grams. Find the average weight of the total bangles. (in grams)
Solution
Average weight of first 4 bangles = 71 grams
=> Weight of first 4 bangles = $$71\times4=284$$ grams
Similarly, weight of remaining 6 bangles = $$72\times6=432$$ grams
$$\therefore$$ Average weight of the total bangles = $$\frac{284+432}{10}=71.6$$ grams
=> Ans - (A)
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