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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) 327                             

    B) 386

    C) 438                             

    D) 469

    Correct Answer: D

    Solution :

    We have: \[4\times 2-1=7,7\times 2+1=15,\], \[15\times 2-1=29\times 2+1=59,\] \[59\times 2-1=117,117\times 2+1=235.\] So, missing number\[=235\times 2-1=469\].


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