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7th Class Mathematics Related to Competitive Exam Question Bank Missing Character

  • question_answer
    What number should replace the question mark?

    A) 18                               

    B) 22

    C) 36                               

    D) 19

    Correct Answer: B

    Solution :

         \[\left( 7\times 8 \right)-\left( 5\times 4 \right)=36\] \[\left( 9\times 3 \right)-\left( 5\times 2 \right)=36\] \[\left( 8\times 5 \right)-\left( 6\times 3 \right)=22\]


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