7th Class Mathematics Related to Competitive Exam Question Bank Mathematical Operations

  • question_answer
    If A stands for\[+,\]B stands for\[-,\]C stands for\[x,\] then what is the value of\[\left( 10C4 \right)A\left( 4\,C4 \right)B\,6?\]

    A) 60                               

    B) 56

    C) 50                    

    D) 20

    Correct Answer: C

    Solution :

        Given expression\[=\left( 10\times 4 \right)+\left( 4\times 4 \right)-6=50\]    


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