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    Question

    If 'x' is the lowest positive integer divisible by 14,

    22 and 30, then find the second smallest positive integer which is divisible by all the three given numbers?
    A 4620 Correct Answer Incorrect Answer
    B 9240 Correct Answer Incorrect Answer
    C 13860 Correct Answer Incorrect Answer
    D 18480 Correct Answer Incorrect Answer

    Solution

    Lowest positive integer divisible by 14, 22 and 30 = LCM (14, 22, 30) So, LCM of (14, 22, and 30) = 2¹ × 3¹ × 5¹ × 7¹ × 11¹ = 4620 Therefore, the next larger number which is divisible by all the three given numbers = 2 × 4620 = 9240

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