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s344n2d4d5 [400]
3 years ago
7

Three lights all go on one changes every 5 sec one every 6 sec one every 8 sec when will they all go on together

Mathematics
1 answer:
inysia [295]3 years ago
3 0
In order to calculate, you need to find their LCM
LCM of 5,6 and 8 is equal to 120

So, That time will be 120 sec = 2 min.
In short, Your Final Answer would be 2 min.

Hope this helps!
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