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    • 1:24 pm

      • This means that every 84 minutes, the four bells will ring at the same time (you start the timer when they first ring) So because 84 min = 60 min + 24 min = 1 hr 24 min, add this to 12:00 to get 12:00 1:24 ------ 13:24 Since 13:24 is the same as 1:24 pm, this means that the four bells will ring together again at 1:24 pm
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  2. 4 days ago · Then the time when the bell rings together after the first bell ring is: $9:00$am$ + 2$hours$ = 11:00$am. Therefore, the two bells rings together again at $11:00$am.

  3. There are five bells which start ringing together at intervals of 3, 6, 9, 12 and 15 seconds respectively. In 39 minutes, how many times will the bell ring simultaneously? A. (a) 13. B. (b) 6. C. (c) 12. D. (d) 5. Solution. The correct option is A. (a) 13. LCM of 3, 6, 9, 12, 15. So bells ring after every 180 seconds i.e., 3 min.

  4. Six bells commence tolling together at intervals of 2, 4, 6, 8, 10, and 12 seconds respectively. In 30 minutes, they toll together 16 times. The concept used is Least common multiplication. But we have to add 1 because at the start all bells will be rung once a time after they ring 15.

  5. Question. Four bells ring at an interval of 4, 7, 12 and 14 seconds respectiv. if the four Bells begin to ring at 12 o'clock when will the next ring together and how often will they do so in the next 14 minutes. Solution. To find the answer, we need to find the LCM of 4, 7, 12, 14. First, list the prime factorization of each number.

  6. Both the bells ring after every class. The duration of each class in the primary and the secondary wing is 45 minutes and 1 hour, respectively. After how many hours would both the bells ring at the same time again if the first class in each wing starts at the same time.

  7. Jul 21, 2020 · Since, first bell rings after every three minutes and second bell rings after every five minutes. ∴ L.C.M. of 3 and 5 = 3 × 5 = 15 . Thus, both bells will ring together, after 15 minutes.

  8. Apr 16, 2024 · All three bell rang at 6 am, when the three balls will the ring together next? Here, Time when they next ring together = LCM of 4, 7 and 14 Finding LCM Thus, LCM = 2 × 2 × 7 = 28 Thus, the three bells ring together after 28 minutes Hence, Time when the three bells ring together is 6:28 am. Show More