If ⁿC₁₂ = ⁿC₈, then the value of n is :
The NCERT Maths syllabus for CBSE 2024-2025 in Class 11th includes Chapter 6 on **Permutations and Combinations**, a vital topic for building problem-solving skills. This chapter explores key concepts such as factorial notation, permutations, combinations, and their practical applications. It lays the groundwork for advanced topics like probability and higher mathematics. The chapter features **MCQ questions** designed to enhance conceptual clarity and analytical thinking. These questions provide students with ample practice, helping them prepare effectively for both board and competitive exams. A strong grasp of permutations and combinations is essential for logical reasoning and tackling real-world mathematical challenges.
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Choice (a) is correct.
We know that if ⁿCᵣ = ⁿCₛ, then r = s or r + s = n
Given, ⁿC₁₂ = ⁿC₈
n = 12 + 8 ⇒ n = 20
This question related to Chapter 6 maths Class 11th NCERT. From the Chapter 6: Permutations and Combinations. Give answer according to your understanding.
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