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Discrete Reasoning Puzzles - Solution for #33

Solution for #33

Number the boxes 0 through 9. Take zero balls from box 0, one ball from box 1, two balls from box 2, and so on. Weigh all these balls. Then determine which box has the lighter balls with the chart below:

Total WeightBox Containing the Lighter Balls
45.0 pounds0
44.9 pounds1
44.8 pounds2
44.7 pounds3
44.6 pounds4
44.5 pounds5
44.4 pounds6
44.3 pounds7
44.2 pounds8
44.1 pounds9