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Question 36
The weights of 4 boxes are 20, 90, 40 and 60 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?
Solution
Weights of 4 boxes = 20, 90, 40 and 60 kilograms
(A) : 210 = 20 + 40 + 60 + 90
(B) : 170 = 20 + 60 + 90
(C) : 190 = 40 + 60 + 90
(D) : 200 = not possible
=> Ans - (D)
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