Live Class – SNAP 2017 Logical Reasoning #HelpVasu - Videos

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19 COMMENTS

  1. Bulb wale ka 1 time hoga
    Explanation : you switch one button ,wait for 5 mins and close it and turn on the second button and go to the first floor and check
    Jo bulb garam hoga thoda wh first switch se open hua
    Jo on h wh second button se
    Jo off h wh third button se hoga

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