Question

five bells commence tolling together and toll at intervals of 2,5,6,8,and 9 seconds respectively,How many timesdo they toll together in a hour?

Answer 1

LCM OF 2,5,6,8,9=360
1HR=3600 SECONDS
 DIVIDING THE LCM TOTAL SEC.IN 1 HR=3600/360
10 TIMES