The number of chords that can be drawn through 15 points on a circle is
**Chapter 6: Permutations and Combinations** in the NCERT Maths textbook for Class 11th (CBSE 2024-2025) is a key topic that unlocks the world of counting and arrangement. It covers fundamental concepts like factorial notation, permutations, combinations, and their real-life applications. This chapter is crucial for building a strong foundation in mathematics, especially for advanced topics like probability. The inclusion of **MCQ questions** helps students test their understanding and improve problem-solving skills. These questions are designed to enhance logical reasoning and analytical thinking, making them ideal for both board exams and competitive tests. Mastering this chapter equips students with the tools to tackle complex mathematical challenges with confidence.
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Choice (b) is correct.
Since the points lie on a circle, so on three points are collinear. Chord can be drawn by the combination of two points.
Number of chords = ¹⁵ C ₂ = 15 × 14 / 1 × 2 = 105
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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