MCQOPTIONS
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| 1. |
The traffic lights at three different road crossings change after every 48 sec., 72 sec and 108 sec.respectively .If they all change simultaneously at 8:20:00 hours,then at what time they again change simultaneously |
| A. | 8:37:32 hrs |
| B. | 8:27:12 hrs |
| C. | None of above |
| D. | 8:37:12 hrs |
| Answer» C. None of above | |