Math, asked by swapnil46, 1 year ago

traffic lights of three road crossing change after every 48sec,72sec,108sec,respectively. if they all change simultaneously at 8:20:00 h they will again change simultaneously at

Answers

Answered by Kkashyap

9

They will change simultaneously after the LCM of three lights I.e
LCM[48,72,108] second=432seconds =7 min 12s
They will again change at 8:27:12

swapnil46: ohhhh thnku

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