Question

    Find the greatest number which when divide 80,121 & 148

    leave remainder 2, 4 & 5 respectively?
    A 9 Correct Answer Incorrect Answer
    B 18 Correct Answer Incorrect Answer
    C 13 Correct Answer Incorrect Answer
    D 16 Correct Answer Incorrect Answer

    Solution

    The greatest number which when divide 80,121 & 148 leave remainder 2, 4 & 5 respectively = HCF (80 - 2, 121 -4 , 148 - 5) = HCF (78, 117, 143) = 13

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