Question 99

A Gift box contains 10 bangles, of which average weight of first 4 bangles is 74 grams and the average weight of remaning 6 bangles is 75 grams. Find the average weight of the total bangles.(in grams)

Solution

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Average weight of first 4 bangles = 74 grams

=> Weight of first 4 bangles = $$74\times4=296$$ grams

Similarly, weight of remaining 6 bangles = $$75\times6=450$$ grams

$$\therefore$$ Average weight of the total bangles = $$\frac{296+450}{10}=74.6$$ grams

=> Ans - (B)

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