Permutations And Combinations Question 308
Question: Let the eleven letters $ A,B $ …..,K denote an arbitrary permutation of the integers (1, 2,…..11), then $ (A-1)(B-2)(C-3)…..(K-11) $ [Orissa JEE 2005]
Options:
A) Necessarily zero
B) Always odd
C) Always even
D) None of these
Correct Answer: C
Show Answer
Answer:
Solution:
BETA
