Seven bells ring at intervals of 2, 3, 4, 6, 8, 9 and 12 minutes, respectively. They started ringing simultaneously at 7.10 in the morning. What will be the next time when they all ring simultaneously?
A8.22 a.m.
B8.20 a.m.
C8.26 a.m.
D8.24 a.m
No.1 PSC Learning App
★
★
★
★
★