Seven boxes are placed one above other, each box has different weight. All boxes are arranged in such a manner, lightest box is placed in top of the stack and the heaviest box is placed at bottom.
One of the boxes is 75kg. More than three boxes are placed in between box F and box G. Only two boxes are placed in between D and A which is 60kg. Three boxes are placed in between B and C. The third lightest box is 35kg. Box F is lighter than D. Box C is heavier than B. Weight of box E is double of box D. Box F is 13kg lighter than box B which is 10kg heavier than D. Difference between the weight of box A and C is 21kg.
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