Question

    The greatest number that will divide 398,436, and 542 leaving 7, 11, and 15 as remainders, respectively, is:

    A 7 Correct Answer Incorrect Answer
    B 17 Correct Answer Incorrect Answer
    C 11 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer

    Solution

    Deducting the remainder from the numbers we get, 398 − 7 = 391 436 −11 = 425 542 − 15 = 527 Now, 391 ,425, 527 34, 102 HCF=17

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