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6th Class Mental Ability Related to Competitive Exam Question Bank Mathematical Reasoning

  • question_answer
    If\[60\times 3=\text{ }36;\text{ }11\times 7=81,\] then What is the value of\[5\times 13?\]

    A)  65      

    B)       66      

    C)  81                     

    D)       51

    Correct Answer: C

    Solution :

    \[60\times 3=36;\,\,11\times 7=81=(7+1)\times 1\] \[(5\times 13)=81\]


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