BA LLB Banaras Hindu University 2019 Solved Paper

Question : 93 of 170

Marks: +1, -0

The weights of 4 boxes are

20,30,40

and

60 {kg}

. Which of the following cannot be the total weight, in kilogram, of any combination of these boxes and in a combination a box can be used only once?

Solution:

140 {kg}

cannot be the total weight using any combination of these boxes.

150 {kg}=20 {kg}+30 {kg}+40 {kg}+60 {kg}

110 {kg}=20 {kg}+30 {kg}+60 {kg}

130 {kg}=30 {kg}+40 {kg}+60 {kg}

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