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A red light flashes 3 times per minute and a green light flashes 5 times in two minutes at regular intervals. If both lights start flashing at the same time, how many times do they flash together in each hour?(A)30(B)24(C)20(D)60

Harshit Singh , 2 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 2 Years ago

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