Question

1 4 Bells toll together at 9:00 AM . They
toll after 7, 8, 11 and 12 seconds. respectively.
How many time will they toll together
again in the next & hours​

Answer 1

Answer:

next hour 9:30:8

7,8,11,12=l.c.m.=1848

9:00 par toll ti hai

so 1848/60sec

308=30m,8sec

dubara tolllegi ek sath =30m,8sec

next hour=9:00+30:8

answer=9:30:8 hour