Chapter 17 of 19
Formula Sheet
Permutation and Combination — Formula Sheet
NMAT · Quantitative Skills
Free Permutation and Combination formula sheet for NMAT Quantitative Skills 2026 — all important formulas, equations, and constants for quick reference.
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Important formulas and equations from Permutation and Combination for NMAT Quantitative Skills.
Formulas — Permutation and Combination
Factorial Notation
n! = n(n-1)(n-2)...3.2.1Permutations (Arrangements)
ⁿPᵣ = n!/(n-r)!ⁿPₙ = n!Circular arrangements = (n-1)!Combinations (Selections)
ⁿCᵣ = n!/[r!(n-r)!]ⁿCᵣ = ⁿCₙ₋ᵣⁿC₀ + ⁿC₁ + ... + ⁿCₙ = 2ⁿSpecial Cases and Restrictions
Arrangements with repetition = n!/p₁!p₂!p₃!...Distribution formula = (n+r-1)Cᵣ₋₁Get the complete formula sheet with derivations — continue in Super Tutor
Frequently Asked Questions
What topics are covered in Permutation and Combination for NMAT?
Permutation and Combination is an important chapter in NMAT Quantitative Skills. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Factorial Notation and Basic Concepts, Permutations - When Order Matters, Combinations - When Order Doesn't Matter, Special Cases and Advanced Applications.
How important is Permutation and Combination for NMAT?
Permutation and Combination is a frequently tested chapter in NMAT Quantitative Skills. Questions from this chapter appear regularly in previous year papers. There are 55 practice questions available for this chapter.
How to prepare Permutation and Combination for NMAT?
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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