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    Question

    What is the largest number that when divides 85 and 121

    leaves remainders 5 and 11 respectively?
    A 40 Correct Answer Incorrect Answer
    B 80 Correct Answer Incorrect Answer
    C 20 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Since, 85 = 10 × 8 + 5 And, 121 = 11 × 10 + 11 So, desired number = 10 (Or using subtraction method) 85 - 5 = 80 121 - 11 = 110 HCF of 80 and 110 = 10

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