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    Question

    Find the greatest number that will completely

    divide 171,209 & 228 ?
    A 11 Correct Answer Incorrect Answer
    B 23 Correct Answer Incorrect Answer
    C 17 Correct Answer Incorrect Answer
    D 19 Correct Answer Incorrect Answer

    Solution

    171 = 19 × 9 , 209 = 19 × 11 and 228 = 19 × 12 So Greatest number which divide all = HCF of  171, 209 and 228 = 19.

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