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Banking Sample Paper SBI Clerk Grade (Main) Sample Test Paper-3

  • question_answer
    Direction: What will come in place of question mark (?) in the following question? \[9\times 81\div 27={{(3)}^{?}}\]

    A)  2

    B)  3

    C)  4

    D)  5        

    E)  None of these

    Correct Answer: B

    Solution :

     \[\frac{{{3}^{2}}\times {{3}^{4}}}{{{3}^{3}}}={{3}^{?}}\Rightarrow {{3}^{2+4-3}}={{3}^{?}}\] \[\Rightarrow {{3}^{3}}={{3}^{3}}\Rightarrow ?=3\]


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