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    Question

    When a number is divided by 23, the remainder obtained is

    17. What will be the remainder when three times the same number is divided by 23?
    A 12 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 8 Correct Answer Incorrect Answer
    D 6 Correct Answer Incorrect Answer

    Solution

    Number = (23A + 17) , where 'A' is constant.
    Therefore, required remainder = [3 X (23A + 17) ] ├╖ 23
    = (69A + 51) ├╖ 23
    = (69A + 46 + 5) ├╖ 23 = 5

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