Question

The traffic lights at three different road crossings
change after every 50 sec., 75 sec. and 100 sec.
respectively. If they start changing simultaneously
at 8 a.m., after how much time will they change
again simultaneously?​

Answer 1

Answer:

pls make me brainliest

Answer 2

Answer:

1 a.m.

Step-by-step explanation:

Take the LCM

50sec,75sec,100sec

L.C.M = 300

300/60=5hr

so, next alarm simultaneously on

1 p.m