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  5. Number System and its Operations

SSC Quantitative Aptitude Number System and its Operations Question Bank Number Series and Sequences (I)

  • question_answer
    Given below is a finite sequence of numbers with an unknown x : 0, 1, 1, 2, 3, 5, 8,13, x, 34. The value of .x: is

    A) 21

    B) 20

    C) 19

    D) 17

    Correct Answer: A

    Solution :

    [a] In the given sequence, (starting from the third number) the succeeding number is sum of two just preceding numbers, i.e., \[1=0+1\]\[\Rightarrow \]\[2=1+1\]\[\Rightarrow \]\[3=1+2\] \[\therefore \] \[x=8+13=21\]


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