Question
A six-digit number 11p9q4 is divisible by 24. Then the
greatest possible value for pq is:Solution
11p9q4Ā Ā will be divisible by 24 = 8 Ć3 As we know the divisbility rule of 8Ā and 3 so takeĀ the maximum value of pĀ and q from 1 to 9 p = 7 and q = 8 the value of pq = 7Ć8 = 56
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