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    Question

    A six-digit number 23p7q6 is divisible by 24. Then the

    greatest possible value for (p + q) is:
    A 18 Correct Answer Incorrect Answer
    B 20 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 24 Correct Answer Incorrect Answer

    Solution

    23p7q6┬а ┬аwill be divisible by 24 = 8 ├Ч 3 As we know the divisibility rule of 8 and 3 so, take the maximum value of p and q from 1 to 9. p = 8 and q = 7 the value of p+ q = 7+8 = 15

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