Answer the following: Ten students are to be selected for a project from a class of 30 stdudents. There are 4 students who want to be together either in the project or not in the project. Find the nu - Mathematics and Statistics

Sum

Answer the following:

Ten students are to be selected for a project from a class of 30 students. There are 4 students who want to be together either in the project or not in the project. Find the number of possible selections

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Solution

Case I	Case II
4 Students are in	4 Students are out
Number of ways = ²⁶C₆	Number of ways = ²⁶C₁₀

Required number = ²⁶C₆ + ²⁶C₁₀

= 230230 + 5311735

= 5541965

Concept: Properties of Combinations

Is there an error in this question or solution?

Chapter 3: Permutations and Combination - Miscellaneous Exercise 3 [Page 68]

Q II. (6) Q II. (5)Q II. (7)

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Balbharati Mathematics and Statistics 2 (Arts and Science) 11th Standard Maharashtra State Board

Chapter 3 Permutations and Combination
Miscellaneous Exercise 3 | Q II. (6) | Page 68

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Answer the following: Ten students are to be selected for a project from a class of 30 stdudents. There are 4 students who want to be together either in the project or not in the project. Find the nu - Mathematics and Statistics

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