51
The number of ways in which 8 answer books be
arranged so that the best and the worst do not
occur together is-
(A) 8! (B) 7! (C) 7(7)
(C) 7(7)! (D) 6 (7)!
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1
Answer:
8 a
Step-by-step explanation:
as because 8 from both side
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