Question

116. Four bells begin to toll together and toll respectively
at intervals of 6, 7, 8 and 9 seconds. In 1.54 hours,
how many times do they toll together and in what
interval (seconds)?
(R.R.B., 2006)
(a) 14, 504
(b) 14, 480
(C) 12, 504
(d) 16, 580​

Answer 1

Answer:

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