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[" If the "11" letters "A,B,...,K" denot...

[" If the "11" letters "A,B,...,K" denote an arbitrary pemutation "],[" of the integers "(1,2,...,11)," then "(A-1)(B-2)(C-3)],[(K-11)" will be "],[[" (a) necessarily zero "," (b) always odd "],[" (c) always even "," (d) none of these "]]

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