A shipping clerk has five boxes of different but unknown weights each weighting less than 100 kg. The clerk weights the boxes in pairs. The weights obtained are 110, 112, 113, 114, 115, 116, 117, 118, 120 and 121 kg. What is the weight of the heaviest box?
A. 60 kg
B. 62 kg
C. 64 kg
D. cannot be determined
সঠিক উত্তরঃ
D.
cannot be determined
Explanation:
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