Two alarm clocks ring at intervals of 12 minutes and 18 minutes. If they ring together now, after how many minutes will...

Type: MCQ • Marks: 1

Two alarm clocks ring at intervals of 12 minutes and 18 minutes. If they ring together now, after how many minutes will they ring together next?

A. 36

B. 24

C. 72

D. 54

Explanation

They will ring together at a time which is the LCM of 12 and 18. LCM(12, 18) = 36 minutes.

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Class 7th Ganita Prakash 2

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