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8th 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) 19                               

    B) 23

    C) 25                               

    D) 31

    Correct Answer: D

    Solution :

    We have: \[\sqrt{36}+\sqrt{64}+\sqrt{25}+\sqrt{49}=26;\] \[\sqrt{9}+\sqrt{25}+\sqrt{16}+\sqrt{81}=21\] So, missing number \[=\sqrt{25}+\sqrt{144}+\sqrt{36}+\sqrt{64}=(5+12+6+8)=31\]


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