Question

11 Three children step off together from the same place and at the same time. If their steps
measure 30 cm, 45 cm and 60 cm respectively, at what distance from the starting point
will they again step together?
12. Find the biggest number which divides the numbers 6989, 8497 and 9734 and leaves
remainder 2, 3 and 7, respectively.
13. Three clocks in a shop ring at intervals of 6 minutes, 14 minutes and 24 minutes. If they
ring together at 8:45 am, at what time will they ring together again ?
Multiples And Factors
39​

Answer 1

Answer:

11. LCM of 30 45 and 60 cm

12. HCFof 6987, 8494, 9727

13. LCM of 6, 14 and 24 then add it to the given time