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Q: The traffic lights at three different road crossings change after 24 seconds, 36 seconds and 54 seconds respectively. If they all change simultaneously at 10 : 15 : 00 AM, then at what time will they again change simultaneously? |
A. | 10:16:54 |
B. | 10:18:36 |
C. | 10:17:02 |
D. | 10:22:12 |
Answer» C. 10:17:02 | |