1.

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. 0:16:54 AM
B. 0:18:36 Am
C. 0:17:02 AM
D. 0:22:12 AM
Answer» C. 0:17:02 AM


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