Math, asked by nazmeesultana, 11 months ago

Three bells ring at 20 minutes, 30 minutes and 45 minutes intervals. After how much time will thee bells ring together?

Answers

Answered by ayush3520

4

Answer:

3 hours

Step-by-step explanation:

the time after which they all will ring together will be their LCM

LCM of 45,30 and 20=180

therefore,

they will ring together after 180 minutes

which is 3 hours

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