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

  • question_answer
    Directions: In each of the following questions, a matrix of certain characters is given. These characters follows a certain trend, row-wise or column- wise. Find out this trend and choose the missing character from the given alternatives.

    A) 1441               

    B) 3529

    C) 8281   

    D) (d) 9361

    Correct Answer: C

    Solution :

    In each row, the second number is the square of the first number, and the third number is the square of the number obtained by interchanging the digits of the first number. \[\therefore \] Missing number\[={{(91)}^{2}}=8281.\]     


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