Question

17. n articles are arranged in such a way that 2 particular articles never come together. The
number of such arrangements is
ay (n-2) in-1 b)(n-1) n-2 c) n
d) none of these
OT
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M
5.8
COMMON PROFICIENCY TEST
Ok

Answer 1

Answer:

n articles are arranged in such a way that 2 particular articles never come together. The number of such arrangements is

a)

b)

c)

d)none of these

Correct answer is option 'A'. Can you explain this answer?

Related Test: Test: Basic Concepts Of Permutations And Combinations- 1

CA Foundation Question