A) 47.5 kg
B) 49.5 kg
C) 43.5 kg
D) 45 kg
E) None of these
Correct Answer: E
Solution :
Required average\[=\frac{43\times 30-40\times 22}{8}\] \[=\frac{1290-880}{8}=\frac{410}{8}=51.25\,\,kg\]You need to login to perform this action.
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