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The average weight of 47 balls is 4 g. if the weight of the bag (in which the balls are kept) be included; the calculated average weight per ball increases by 0.3 g. What is the weight of the bag?
Answer & Solution
Correct Answer:
Option
E
Total increased weight
= 0.3 × 47
= 14.1 g
= 0.3 × 47
= 14.1 g
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Login= 0.3 × 47
= 14.1 g
Bag weight= 0.7 g (.4+.3=.7 g)
Total Bag weight= 14.1+0.7= 14.8 g (Ans)
Avg weight= total weight/Total no
4=Tw/47
Tw=188
Now including avg weight 0.3 with 4 is = 4.3
48*4.3= 206.4
So, weight of the bag is 206.4-188= 18.4
per ball .3 gm increment
for 47 balls its
0.3*47=14.1