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Question
Imagine you are a traffic inspector. You are asked to design the traffic signal timings. Can you design it?
| Red | Yellow/Orange | Green | Red | Green |
| 7:30 a.m |
Solution
| Red | Yellow/Orange | Green | Red | Green |
| 7:30 a.m | 7:32 a.m | 7:33 a.m | 7:35 a.m | 7:37 a.m |
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