the traffic signal lights at three different crossings of road change at every 16sec,28sec and 40sec respectivly. if the signal lights changed together at 8a.m in morning ,lets find when will the three signal lights changed together again
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Answered by
5
Answer:
at 8:09:20 AM
Step-by-step explanation:
lcm of 3 numbers ,and add the value to 8 gives the answer
lcm=560seconds,which is 9 mins 20 seconds
So at mrng 8:09:20 seconds
Answered by
0
They will change at 8 a.m. together
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