Question

8. Five bells beginning together toll at
interval of 4s, 5s, 7s, 8s and 10 s,
respectively. After what interval of time
will they toll again together?
(a) 2 min 40 s
(b) 4 min 40 s
(c) 3 min 15 s
(d) 5 min​

Answer 1

Step-by-step explanation:

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