Question 11

The weights of 4 boxes are 90, 40, 80 and 50 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 = 90, 40, 80 and 50 kilograms

(A) : 200 = not possible

(B) : 260 = 40 + 50 + 80 + 90

(C) : 180 = 40 + 50 + 90

(D) : 170 = 80 + 90

=> Ans - (A)

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