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     EduGorilla 
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    A mobile software has been developed which consists of four switches, each of these switches can be in either the ON or the OFF positions. A switch when pressed will toggle its position i.e. if an ON switch is pressed it will become OFF and vice-versa.

    If the software glitch which allowed only adjacent switches to be pressed is not removed, and you start with ON OFF OFF OFF, by
    repeated pressing of two switches how many different configurations can you get?

    Options :-

    1. 2
    2. 4
    3. 8
    4. 16
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