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Discussion :: Number Series

  1. Find the missing number: 2/√5, 3/5, 4/5√5, 5/25, ?

    2. A.

     6/5√5
    B.

     6/25√5
    C.

     6/125
    D.

     7/25

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    Answer : Option B

    Explanation :

    Clearly, the numerators of the given fractions are consecutive natural numbers. So, the numerator of the missing fraction should be 6. Also, the denominator of each fraction is multiplied by √5 to obtain the denominator of the next fraction. So. the denominator of the missing fraction should be 25√5. Hence,the missing term is 6/25√5

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