Question

    What is the minimum value of X for which 438X5 is divisible by 9?

    A 1 Correct Answer Incorrect Answer
    B 3 Correct Answer Incorrect Answer
    C 7 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer

    Solution

    Divisibility of 9 means 3×3 According to the divisibility rule of 3. 4+3+8+x+5=20+x =20+7=27 divisible by 9. x=7

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