2025 AHS PRELIMS P1 Q5

2025 AHS PRELIMS P1 Q5

Secondary 4
2 marks

Mr Chan is looking at Deepavali decorations. There are two lights, one green and one red, flashing at different intervals. The green light and the red light flash at intervals of 6 seconds and 8 seconds respectively. If the two lights start flashing at the same time, how long will it take for the two lights to next flash simultaneously?[2]

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Answer:\(24\text{ seconds}\)

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