Solve this Triangular Number Puzzle #201
28, 45, 16
64, 15, 32
8, 40, ?
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Solve this puzzle
(2 votes, average: 5.00 out of 5) (2 votes, average: 5.00 out of 5) (2 votes, average: 5.00 out of 5) (2 votes, average: 5.00 out of 5)
(2 votes, average: 5.00 out of 5)
28, 45, 16
64, 15, 32
8, 40, ?