24. A juice company has 3 machines that fill Orange, Mango and Lichy juices in 48 sec, 72 sec and 108 sec per bottle. If all the machines start filling at 8:00 AM, the next time all the bottles are replaced simultaneously is:
Sol: LCM of 48, 72, 108=432
All the bottles will be replaced simultaneously after 432 seconds i.e.7 minutes 12sec.Hence 8:07:12 AM.