Question

    A six-digit number 11p9q4 is divisible by 24. Then the

    greatest possible value for pq is:
    A 42 Correct Answer Incorrect Answer
    B 32 Correct Answer Incorrect Answer
    C 56 Correct Answer Incorrect Answer
    D 68 Correct Answer Incorrect Answer

    Solution

    11p9q4   will be divisible by 24 = 8 ×3 As we know the divisbility rule of 8  and 3 so take  the maximum value of p  and q from 1 to 9 p = 7 and q = 8 the value of pq = 7×8 = 56

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