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    Question

     If the HCF of two numbers is 55 and the LCM is 110,

    then what are the two numbers?
    A 11, 110 Correct Answer Incorrect Answer
    B 10, 55 Correct Answer Incorrect Answer
    C 55, 110 Correct Answer Incorrect Answer
    D 11, 55 Correct Answer Incorrect Answer

    Solution

    Using the formula, HCF of two numbers = 55 and the LCM = 110 ( Given ) LCM x HCF = Product of numbers. 110 x 55 = Product of numbers. So, the product of numbers = 6050. Out of the given four pairs of numbers in options (11, 110), (10, 55), (55, 110) , (11, 55) only product of number of one pair  (55, 110) is 6050 .

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