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 Counting Sextuplets (Posted on 2011-05-04)
Each of A, B, C, D, E and F is a positive integer with A ≤ B ≤ C ≤ D ≤ E ≤ F ≤ 25.

Determine the total number of sextuplets (A ,B, C, D, E, F) such that (A+B+C)*(D+E+F) is divisible by 75.

 No Solution Yet Submitted by K Sengupta No Rating

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 Subject Author Date re(5): Beginning of Analytical Solution Ady TZIDON 2011-05-07 12:13:30 re(4): Beginning of Analytical Solution DJ 2011-05-06 11:07:03 re(3): Beginning of Analytical Solution Ady TZIDON 2011-05-05 10:24:54 re(2): Beginning of Analytical Solution DJ 2011-05-05 06:09:15 re: Beginning of Analytical Solution Ady TZIDON 2011-05-04 23:45:09 Beginning of Analytical Solution DJ 2011-05-04 21:55:22 computer solution Charlie 2011-05-04 19:28:28
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