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A bell rings every 2 hours, a second bell rings every 3 hours, and a third bell rings every 4 hours. If all 3 bells ring at 9:00 AM. , at what time will all 3 bells next ring?

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3 answers

  1. The LCM of 2, 3 and 4 is 12.

    Therefore you must wait 12 hours, until 9:00 PM.

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  2. THERE WALL CLOCK ARE THE ROOM ALL THE CLOCK RINGING TOGETHER AT 6 OCLOCK IN THE MORNING AFTER THAT1ST CLOCK RINGS ONCE FOR EVERY 20 MINUTES & 2ND CLOCK RINGS ONCE FOR EVERY 30 MINUTES & 3RD CLOCK RINGS FOR EVERY 40MINUTES WHAT WOULD BE THE TIME AT WHICH ALL THE CLOCK RING TOGETHER FOR THE SECOND TIME.

    WHAT IS THE FORMULA...& WHAT IS THE ANSWER..

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  3. 8 o' clock

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