A) 88.95 kg
B) 89.25 kg
C) 89.55 kg
D) 89.85 kg
Correct Answer: D
Solution :
Difference in weight \[=87-78=9\,\,kg\] \[\therefore \]Correct average weight \[=89.4+\frac{9}{20}\] \[=89.4+0.45=89.85\,\,kg\]You need to login to perform this action.
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