- 04/13/2019 at 7:25 pm #454477EduGorillaKeymasterSelect Question Language :
Ants X and Y, start at the same point on the ground, and climb up around a cylindrical pipe. X moves clockwise and Y moves anticlockwise. Before they reach the top, X has made 5 complete rounds of the pipe and Y has made 3. How many times do they cross each other (excluding starting and finishing points)?
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