8th Class Mental Ability Inserting Missing Number Question Bank Inserting Missing Number

  • question_answer

    A) 960                     

    B)        628

    C) 830    

    D)        492

    E) None of these

    Correct Answer: C

    Solution :

    Explanation Option [c] is correct. The number in the centre is the product of all the 4 numbers minus 10, i.e., \[(3\times ~5\times ~2\times ~6)-10=170;(8~\times 1~\times \,4~\times \,9)-10=278\] Similarly, \[(10~\times \,6~\times \,\,7~\times \,2)-10=830\]                

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