Question

13. 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

Answer:

The answer is 2 min 40 sec

Answer 2

Answer:

2 minutes 40seconds is the correct answer of this question