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    Question

    The least number which when divided by 10, 12, 15 and 20

    leave zero remainder in each case and when divided by 24 leaves a remainder of 12 is:
    A 60 Correct Answer Incorrect Answer
    B 144 Correct Answer Incorrect Answer
    C 72 Correct Answer Incorrect Answer
    D 420 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    LCM of 10, 12, 15 and 20 = 60 Required number = 60, because it is exactly divisible by 10, 12, 15 and 20 and it leaves remainder 12 when divided by 24.

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