Correct option is C
·
Combination: 3 kg + 8 kg + 12 kg = 23 kg
·
Combination: 3 kg + 12 kg = 15 kg
·
Combination: 8 kg + 12 kg = 20 kg
21 is not possible by any combination of these weights.
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Question
The weights of three boxes are 3 kg, 8 kg and 12 kg. Which of the following CANNOT be the total weight, in kg, of any combination of these boxes?
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