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    Question

    Find the sum of all factors of 60?

    A 169 Correct Answer Incorrect Answer
    B 108 Correct Answer Incorrect Answer
    C 168 Correct Answer Incorrect Answer
    D 158 Correct Answer Incorrect Answer

    Solution

    60 = 22 31 51So the sum of all of factors of 60 are = (20+21+ 22) (30+31) (50+51) = 7 4 6 = 168.

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