Write the number of ways in which a host lady can invite for a party of 8 out of 12 people of whom two do not want to attend the party together.

Question

Nishant Vora · Answer

Dear student,
Lets say A and B do not want to attend party together

Take three cases,
1. A and 7 others attend the party → 10C7
2. B and 7 others attend the party → 10C7
3. A and B both dnt attend, so choose 8 out of 10 → 10C8

Thanks

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Write the number of ways in which a host lady can invite for a party of 8 out of 12 people of whom two do not want to attend the party together.

Write the number of ways in which a host lady can invite for a party of 8 out of 12 people of whom two do not want to attend the party together.

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Write the number of ways in which a host lady can invite for a party of 8 out of 12 people of whom two do not want to attend the party together.

Write the number of ways in which a host lady can invite for a party of 8 out of 12 people of whom two do not want to attend the party together.

1 Answers

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