Banking Sample Paper RRB Assistant (PT) Sample Test Paper-1

  • question_answer
    Direction: What will come in place of question mark (?) in the given number series?
    167 1895 ? 1407 1191 1255

    A)  795

    B)  905

    C)  616

    D)  320

    E)  895

    Correct Answer: E

    Solution :

    The series is \[+{{(12)}^{3}},\,\,-{{(10)}^{3}},\,\,+{{(8)}^{3}}\],\[-{{(6)}^{3}},\,\,+{{(4)}^{3}},\,\,...\] ie\[167+{{(12)}^{3}}=1895,\,\,1895-{{(10)}^{3}}=\mathbf{895},\] \[895+{{(8)}^{3}}=1407,\,\,1407-{{(6)}^{3}}=1191\]and\[1191+{{(4)}^{3}}=1255\],


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