Math, asked by sadcase, 1 year ago

One Ferris wheel makes a complete rotation every 120 seconds, and another Ferris wheel makes a complete rotation every 144 seconds. If they start at the same time, how many minutes will it take before the wheels begin a new rotation together?

Answers

Answered by abhijeetkumark
1
In this case we find the L.C.M of 120sec,144sec.
L.C.M of 120,144 is720
Hence before 720sec =12min the wheel begin a new rotation together.
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