Chapter 12 of 27
Formula Sheet
Permutations And Combinations — Formula Sheet
BITSAT · Mathematics
Free Permutations And Combinations formula sheet for BITSAT Mathematics 2026 — all important formulas, equations, and constants for quick reference.
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Important formulas and equations from Permutations And Combinations for BITSAT Mathematics.
Formulas — Permutations And Combinations
Fundamental Counting Principles
Total ways = m × nTotal ways = m + nFactorial and Basic Permutations
n! = n × (n-1) × (n-2) × ... × 2 × 1ⁿPᵣ = n!/(n-r)!ⁿPₙ = n!Special Permutation Cases
Repetition allowed: nʳIdentical objects: n!/p!Multiple identical groups: n!/(p₁! × p₂! × ... × pₖ!)Circular Permutations
Clockwise ≠ Anticlockwise: (n-1)!Clockwise = Anticlockwise: (n-1)!/2Circular ⁿPᵣ (different): ⁿPᵣ/rCircular ⁿPᵣ (same): ⁿPᵣ/(2r)Get the complete formula sheet with derivations — continue in Super Tutor
Frequently Asked Questions
What topics are covered in Permutations And Combinations for BITSAT?
Permutations And Combinations is an important chapter in BITSAT Mathematics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Fundamental Principle of Counting, Factorial Notation and Basic Formulas, Permutations, Combinations.
How important is Permutations And Combinations for BITSAT?
Permutations And Combinations is a frequently tested chapter in BITSAT Mathematics. Questions from this chapter appear regularly in previous year papers. There are 306 practice questions available for this chapter.
How to prepare Permutations And Combinations for BITSAT?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.
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