Math, asked by mohak09dec, 4 months ago

The traffic lights at three different road crossings change after every 48 sec, 72 sec and 108 sec respectively. If they all change simultaneously at 8:20:00 hours, when will they again change simultaneously ?

Answers

Answered by tgtmath19

1

Answer:

Take LCM of 48,72,108

Step-by-step explanation:

convert sec into min or hours

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