Permutations and Combinations 2 Question 23
23. men and women are to be seated in a row so that no two women sit together. If , then show that the number of ways in which they can be seated, is
(1983, 2M)
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Answer:
Correct Answer: 23.
Solution:
- Since,
men and women are to be seated in a row so that no two women sit together. This could be shown as
which shows there are