n couples are invited to a party with the condition that every husband should…
GATE · 2003 · CS
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
- A.
A
- B.
B
- C.
C
- D.
D
Attempted by 91 students.
Sign up free to check your answer
Sign up freeLoading lesson…