Math, asked by yusraapex, 10 months ago

2. The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and
108 seconds respectively.If they change simultaneously at 7 a.m. At what time will they change simultaneously again?

Answers

Answered by jobchd
3

Answer:

L.C.M of 48, 72, 108 = 2 x 2 x 2 x 2 x 3 x 3 x 3 = 432 sec.

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yusraapex: good
jobchd: if it is good
Answered by dhakshanasairam1
3

Answer:

48 ,72 and 108 take LCM

lcm=432

so now, convert it to min

432/60=7.20 minutes

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Step-by-step explanation:

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