PERMUTATIONS & COMBINATIONS
Session 2025-26 • NCERT Solutions
01
Exercise 6.1
Fundamental Principle of Counting
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02
Exercise 6.2
Factorial Notation
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03
Exercise 6.3
Permutations (Arrangements)
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04
Exercise 6.4
Combinations (Selections)
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Miscellaneous Exercise
Advanced Problems on Counting
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Syllabus Status: Content aligned with New NCERT (Renumbered from Chap 7).