1. The weights of 4 boxes are 30, 40, 50 and 80 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?
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By: anil on 05 May 2019 01.45 am
Every other Number in the options except 100 can be formed using the numbers 30,40,50,80. 1) 40 + 80 = 120 2) 30 + 80 = 110 4) 50 + 80 = 130 Hence only 100 cannot be formed.
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