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Chapter 5 of 16
Formula Sheet

SeriesFormula Sheet

CMAT · Logical Reasoning

Free Series formula sheet for CMAT Logical Reasoning 2026 — all important formulas, equations, and constants for quick reference.

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An infographic illustrating the different types of series discussed in the chapter: Prime Number Series, Difference Series, Product Series, Mixed Series, and Square and Cube Series. Each type should h
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Formula Sheet — Series

Important formulas and equations from Series for CMAT Logical Reasoning.

Formulas — Series

Prime Number Series

Prime sequence: 2, 3, 5, 7, 11, 13, 17, 19, 23...

Difference Series

General term for constant 2nd difference: aₙ = an² + bn + c
nth term calculation: Solve system T₁ = a + b + c, T₂ = 4a + 2b + c, T₃ = 9a + 3b + c

Product Series

Constant ratio: aₙ₊₁ = aₙ × r
Variable ratio: aₙ₊₁ = aₙ × rₙ (where rₙ follows a pattern)

Mixed Series

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Frequently Asked Questions

What topics are covered in Series for CMAT?
Series is an important chapter in CMAT Logical Reasoning. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Prime Number Series, Difference Series, Product Series, Mixed Series.
How important is Series for CMAT?
Series is a frequently tested chapter in CMAT Logical Reasoning. Questions from this chapter appear regularly in previous year papers. There are 43 practice questions available for this chapter.
How to prepare Series for CMAT?
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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Get the full Series chapter — for free.

Practice questions, revision notes, formula sheet and AI doubt-solver for CMAT Logical Reasoning.