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Q:

Three bells ring at interval of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a par- ticular time They will ring to gether after every 

  • 1
    6 minutes
  • 2
    12 minutes
  • 3
    18 minutes
  • 4
    24 minutes
  • Show Answer
  • Workspace

Answer : 2. "12 minutes "

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