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

  • question_answer
    DIRECTIONS: Find the missing number in the following sets of number around the circle from the choice given below:

    A) 1                                 

    B) 731

    C) 1625                           

    D) 2031

    Correct Answer: D

    Solution :

        We have: \[3\times 5+1=16,\] \[16\times 5+1=81,\]\[81\times 5+1=406.\] So, missing number \[=406=406\times 5+1=2031.\]


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