Math, asked by krisdattani05, 2 months ago

Three bulbs red, green and yellow flash at intervals 60 seconds, 100 seconds and 120
seconds respectively. All three flash together at 12 noon. When will they flash together
again?

Answers

Answered by XxSaVaGeBaExX

2

Answer:

12:10 PM

Step-by-step explanation:

LCM of 60 , 100 , 120 = 600

since,

First bells rang at 12 noon

Then they will ring again together after 600 seconds

600 sec = 10 minutes

the three bells will ring together at 12:10 PM.

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