Question

The trafic lights at three different road crossing change after 48 seconds ,72seconds and 108 seconds lcm

Answer 1

Answer:

Given,

Time=48sec,72sec,108sec

Time when all three blow at different place at same time(By finding its LCM)=2×2×2×2×3×3×3=432

Therefore,

After 432 seconds they three both will blow at same time.

According to me this could be the answer of this question as I understood.

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Answer 2

Step-by-step explanation:

Can you explain this question clearly