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GATE | GATE-CS-2003 | Question 5
n couples are invited to a party with the condition that every husband should be accompanied by his wife. However, a wife need not be accompanied by her husband. The number of different gatherings possible at the party is
![GATECS2003Q4]("http://www.geeksforgeeks.org/wp-content/uploads/gq/2014/10/GATECS2003Q4.png")
(A)
A
(B)
B
(C)
C
(D)
D
Answer
Please comment below if you find anything wrong in the above post
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