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

  • question_answer
    Which number will replace the question mark in the following?

    A)  18                   

    B)       12

    C)  9                      

    D)       6

    Correct Answer: C

    Solution :

     \[\frac{12+18+30}{10}=6\]     \[\frac{16+24+40}{10}=8\] Similarly, \[\frac{45+18+27}{10}=9\]


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