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  1. n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2n is divided by 4 ?

    2. A.

    3
    B.

    2
    C.

    1
    D.

    0

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    Answer : Option B

    Explanation :

    Let n = 4q + 3. Then 2n = 8q + 6   = 4(2q + 1 ) + 2.

    Thus, when 2n is divided by 4, the remainder is 2.

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