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| Maximum SOD (Posted on 2009-07-21) |
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Determine the maximum value of SOD(pq), where each of p and q is a positive integer < 100.
Note: SOD(x) denotes the sum of the base ten digits of x.
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Submitted by K Sengupta
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Rating: 5.0000 (1 votes)
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Solution:
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(Hide)
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The maximum value of SOD(pq) is 9995.
For an explanation, refer to the solution submitted by Charlie in this location.
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