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8th 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: \[(+3{\scriptstyle{}^{1}/{}_{4}})27,30{\scriptstyle{}^{1}/{}_{4}},33{\scriptstyle{}^{1}/{}_{2}},36{\scriptstyle{}^{3}/{}_{4}},40\] \[(-3{\scriptstyle{}^{1}/{}_{4}})27,23{\scriptstyle{}^{3}/{}_{4}},20{\scriptstyle{}^{1}/{}_{2}},17{\scriptstyle{}^{1}/{}_{4}},14\]           


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