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7th Class Mathematics Related to Competitive Exam Question Bank Number and Ranking

  • question_answer
    What will be the difference between the sum of the odd digits and the sum of the even digits in the number 857423.

    A) 0                                             

    B) 1

    C) 2                                             

    D) 4

    Correct Answer: B

    Solution :

    Required difference \[=\left( 5+7+3 \right)-\left( 8+4+2 \right)=15-14=1.\]


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