Subject
Quantitative Aptitude
Topic
Time and Work
A certain neon sign flashes every 2 seconds, another sign flashes every 3 seconds and a third flashes every 5 seconds. If they all start flashing together how many seconds will it pass before all flash simultaneously again?
A certain neon sign flashes every 2 seconds, another sign flashes every 3 seconds and a third flashes every 5 seconds. If they all start flashing together how many seconds will it pass before all flash simultaneously again?
ক)
45খ)
30গ)
20ঘ)
15Explanation
২,৩,৫ এর ল.সা.গু. = ৩০Related questions
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