Multiple Choice Questions on If n N then 121n ndash 25n 1900n ndash ndash 4 n is divisible by which one of the following ........ for NDA Exam Preparation

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Multiple Choice Questions

If n N then 121n ndash 25n 1900n ndash ndash 4 n is divisible by which one of the following ........

Mathematics (NDA) Set theory
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    If n \in N, then 121n – 25n + 1900n – (–4)n is divisible by which one of the following?

    1904

    Incorrect Answer

    2000

    Correct Answer

    2002

    Incorrect Answer

    2006

    Incorrect Answer
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    Explanation:

    Putting n = 1, 121n – 25n + 1900n – (–4)n
    = 121 – 25 + 1900 + 4 = 2000
    Which is divisible by 2000

    By: Munesh Kumari
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