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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