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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) 45                               

    B) 30

    C) 52                               

    D) 18

    Correct Answer: B

    Solution :

         \[\frac{7\times 4\times 3}{6}=14\,;\]\[\frac{9\times 2\times 6}{6}=18\] \[\frac{12\times 2\times 4}{6}=16\,;\]\[\frac{9\times 4\times 5}{6}=30\]


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