Subject
Quantitative Aptitude
Topic
Number
A red light flasher 3 times per minute and a green light flashes 5 times in two minutes at regular intervals. If both light start flashing at the same time, how many times do they flash together in each hour ?
A red light flasher 3 times per minute and a green light flashes 5 times in two minutes at regular intervals. If both light start flashing at the same time, how many times do they flash together in each hour ?
ক)
30খ)
24গ)
20ঘ)
60Explanation
for red light->flash/min=3 fro green light->flash/min=10Related questions
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