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    Question

    Get the product of the two digits of which the smallest

    equator ratio (LCM) is 70 and the maximum consonant (HCF) is 7. 
    A 480 Correct Answer Incorrect Answer
    B 490 Correct Answer Incorrect Answer
    C 510 Correct Answer Incorrect Answer
    D 390 Correct Answer Incorrect Answer

    Solution

    LCM = largest common multiple HCF = highest common factor Example: 2, 3, 4 LCM = 12 (divisible by all); HCF = 1 (can exactly divide all the given numbers) As we know, The product of the two numbers = HCF × LCM The product of the two numbers = 7 x 70 = 490

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