Câu hỏi:
A camel travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. It would seem that two of the camel's legs must be one mile ahead of the other two legs, but of course this can't be true.
Đáp án:
The camel operates a mill and travels in a circular clockwise direction. The two outside legs will travel a greater distance than the two inside legs.
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