8th Class Mathematics Rational Numbers Question Bank Numbers

  • question_answer
    Which one of the following explains correctly?

    A) A number is divisible by 11, if the difference of the sum of the alternative digits is zero or a multiple of 11.

    B) A number is divisible by 11, if the last digit of that number is odd.

    C) If the sum of the digits of a given number is divisible by 11, then that number is divisible by 11.

    D) Given number is divisible by 11, if it is divisible by both 3 and 7.

    Correct Answer: A

    Solution :

    A number is divisible by 11, if the difference of the sum of the alternative digits is zero or a multiple of 11.


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