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6th Class Mathematics Related to Competitive Exam Question Bank Series

  • question_answer
    What number should replace the question mark? \[27,\,\,27,\,{{30}^{{\scriptstyle{}^{1}/{}_{4}}}},\,{{23}^{{\scriptstyle{}^{3}/{}_{4}}}},\,{{33}^{{\scriptstyle{}^{1}/{}_{2}}}},\,{{20}^{{\scriptstyle{}^{1}/{}_{2}}}},\,{{36}^{{\scriptstyle{}^{3}/{}_{4}}}},\,{{17}^{{\scriptstyle{}^{1}/{}_{4}}}},?\]

    A) 30                   

    B)          20

    C) 40                               

    D) 10

    Correct Answer: C

    Solution :

        There are 2 series: \[(+{{3}^{{}^{1}/{}_{4}}})\,27,\,{{30}^{{}^{1}/{}_{4}}},\,{{33}^{{}^{1}/{}_{2}}},\,{{36}^{{}^{3}/{}_{4}}},\,40\] \[(-{{3}^{{\scriptstyle{}^{1}/{}_{4}}}})\,27,\,{{23}^{{\scriptstyle{}^{3}/{}_{4}}}},\,{{20}^{{\scriptstyle{}^{1}/{}_{2}}}},\,{{17}^{{\scriptstyle{}^{1}/{}_{4}}}},\,14\]


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