The number of ways in which a host lady invite 8 people for a party of 8 out of 12 people of whom two do not want to attend the party together is ………….
A. 2 × 11C7 + 10C8
B. 11C7+ 10C8
C. 12C8 – 10C6
D. 10C6 + 2!
Answer:C
The number of ways in which a host lady invite 8 people for a party of 8 out of 12 people of whom two do not want to attend the party together is ………….
A. 2 × 11C7 + 10C8 B. 11C7+ 10C8 C. 12C8 – 10C6 D. 10C6 + 2!