Traffic lights at three different junctions change simultaneously at morning 8.00 am the first light change once in 30 seconds the second once in 72 seconds the third once in 45 seconds after 8.00am which is the next time they change simultaneously?
Answers
Answered by
0
Answer:
8:03 am
Step-by-step explanation:
LCM of 30, 72 and 45= 180.
180 secs= 3 mins
Similar questions