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A and B walk around a circular track. A and B walk at a speed of 2 rounds per hour and 3 rounds per hour respectively. If they start at 8 a.m. from the same point in opposite directions, how many times shall they cross each other before 9.30 a.m.? | |
A. | 5 [Wrong Answer] |
B. | 6 [Wrong Answer] |
C. | 7 [Correct Answer] |
D. | 8 [Wrong Answer] |