Multiple Choice Questions on If n is a natural number and n p1x1 p2x2 p3x3 where p1 p2 p3 are distinct prime ........... for CDS Exam Preparation

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Multiple Choice Questions

If n is a natural number and n p1x1 p2x2 p3x3 where p1 p2 p3 are distinct prime ...........

Quantitative Aptitude (CDS) Number System
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    If n is a natural number and n=p1x1 p2x2 p3x3, where p1, p2, p3 are distinct prime factors, then the number of prime factors for n is 

    x1+x2+x3

    Incorrect Answer

     x1x2x3

    Correct Answer

    (x1+1)(x2+1)(x3+1)

    Incorrect Answer

    None of the above

    Incorrect Answer
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    Explanation:

    Given n =n=p1x1 p2x2 p3x3, Where p1, p2, p3 are distinct prime factors
    Number of prime factors form := (x1 × x2 × x3)
    = x1 x2 x3
    Hence option (2) is correct

    By: Munesh Kumari
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