Question

    Find the unit digit of (62375 -

    7)
    A 4 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 1 Correct Answer Incorrect Answer

    Solution

    ATQ, Cyclicity of 2 = 2, 4, 6, 8, 2 Hence, we can see the unit digit repeat themselves after every power of 4

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