1. The weights of 4 boxes are 30, 20, 60 and 70 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
Weight of the boxes = 30, 20, 60 and 70 kilograms (A) : 180 = 30 + 20 + 60 + 70 = 180 (B) : 150 = 20 + 60 + 70 = 150 (C) : 120 = 30 + 20 + 70 = 120 (D) : 170 = not possible => Ans - (D)
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