Question

Exercise
8. Three bells ring at intervals of 15 s, 21s
and 16 s, respectively. All bells ring
simultaneously at 12:00 noon. They will
again ring simultaneously at
(1) 28 min past 12
(2) 25 min past 12
(3) 26 min past 12
(4) 24 min past 12
9
s​

Answer 1

Answer:

I think 4 th one is the right option

Answer 2

Hope this helps !!

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