Math, asked by sanchisawant09, 18 hours ago

Two lighthouses flash their lights every 30 seconds and 40 seconds respectively. Given that they flashed together at 6 pm, when will they next flash together?

Answers

Answered by jitendraumrao8

0

we have to find the LCM of 20 and 30. So, the two lighthouses will flash again after 60 seconds(1 minute). So if they flashed together at 4:10 PM then they will again flash together at 4:11 PM.

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