The weights of five boxes are 10, 30, 40, 70 & 70 kilograms. Which of the following cannot be the total weight (in kilograms) of any combination of these boxes?
For 190 kilograms = 70 + 70 + 40 + 10
For 180 kilograms = 70 + 70 + 40
For 210 kilograms = 70 + 70 + 40 + 30
We can not measure 200 by adding above weights.
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