Five bells begins to toll together and toll respectively at intervals 6,7,8,9 and 12 seconds. How many times will they toll together in one hour, excluding the one at the start?

Five bells begin to toll together and toll respectively at intervals of 6, 5, 7, 10 and 12 seconds. How many times will they toll together in one hour excluding the one at the start?

Five bells begin to toll together and toll respectively at intervals of 6, 7, 8, 9 and 12 seconds. After how many seconds will they toll together again?

Five bells begin to toll together at intervals of 9s,6s,4s,10s and 8s,respectively. How many times will they toll together in the span of 1 h (excluding the toll at the start)?

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

Four bells toll at an interval of 8, 12, 15, and 18 seconds respectively. All the four bells begin to toll together. How many times do they toll together in one hour excluding the one at the start?

4bells toll together at 9.00 a.m.They toll after 7,8,11 and 12 seconds respectively.How many xx will they toll together again in the next 3 hours?