Is this LCM or GCF problem?

QuestionsCategory: MathematicsIs this LCM or GCF problem?
Hansih Kuin asked 1 month ago

Two neon lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. In 60 seconds, how many times will they blink at the same time?

2 Answers
Saedy answered 1 month ago

I think it is lcm qn, whose factors will be 12×5 which means they will blink at the same time after every 12seconds for 5times which is at 12sec,24sec,36sec,48sec,60sec

Saedy answered 1 month ago

I think it is lcm qn, whose factors will be 12×5 which means they will blink at the same time after every 12seconds for 5times which is at 12sec,24sec,36sec,48sec,60sec