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     EduGorilla 
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    There are two bulbs, yellow and green. Yellow bulb will be off for 2 minutes and on for the next one minute, whereas green will be off for 3 minutes and on for one minute. For how long will they be together switched on in one hour, when both are switched on initially?

    Options :-

    1. 1 minute
    2. 2 minutes
    3. 3 minutes
    4. 5 minutes
    5. 8 minutes
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