Mean weight of 10 apples is 133 grams. When 2 apples are added the mean becomes 137 grams. Find the mean weight of added apples
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Answer:
Total wt.of 10 apples=1330g
2 apples added total wt=137x12
1644g
wt. of 2 apples=1644-1330 = 3I4g
mean of 2 apples=314/2=157g
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