three bells ring at a time. After that the first bell rings every 4 hours, the second bell rings every 5 hours, the third bell rings every 6 hours. After how many hours will they rings together?
HELLO SHEKHAR
WE NEED TO FIND THEIR LCM HERE. HERE THE LCM OF 4, 5 AND 6 IS 2 X 2 X 5 X 3 = 60. SO THE BELLS WILL RING TOGETHER AFTER 60 HOURS.
WE NEED TO FIND THEIR LCM HERE. HERE THE LCM OF 4, 5 AND 6 IS 2 X 2 X 5 X 3 = 60. SO THE BELLS WILL RING TOGETHER AFTER 60 HOURS.