Tamil Nadu Board of Secondary EducationHSC Science Class 11

Choose the correct alternative: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 - Mathematics

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MCQ

Choose the correct alternative:
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

Options

  • 2 × 11C7 + 10C8

  • 11C7 + 10C8

  • 12C8 – 10C6

  • 10C6 + 2!

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Solution

12C8 – 10C6

Concept: Combinations
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Chapter 4: Combinatorics and Mathematical Induction - Exercise 4.5 [Page 197]

APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 11th Mathematics Volume 1 and 2 Answers Guide
Chapter 4 Combinatorics and Mathematical Induction
Exercise 4.5 | Q 11 | Page 197

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