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    Question

    A number leaves a remainder of 17 when divided by 23.

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