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Formula Sheet

Progressions and Series — Formula Sheet

SNAP · Quantitative Aptitude

All important formulas from Progressions and Series for SNAP Quantitative Aptitude. Quick reference for revision and problem solving.

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A visual representation of the formula for the nth term of an arithmetic progression, Tr = a + (r-1)d, with labeled components.
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Formula Sheet — Progressions and Series

Important formulas and equations from Progressions and Series for SNAP Quantitative Aptitude.

Formulas — Progressions and Series

Arithmetic Progression (A.P.)

Tn = a + (n-1)d
Sn = n/2[2a + (n-1)d]
Sn = n/2(a + l)
d = (Tm - Tn)/(m - n)

Geometric Progression (G.P.)

Tn = ar^(n-1)
Sn = a(r^n - 1)/(r - 1) when r > 1
Sn = a(1 - r^n)/(1 - r) when r < 1
S∞ = a/(1-r) when |r| < 1
G = √(ab)

Harmonic Progression (H.P.)

H = 2ab/(a + b)

Means Relationship

A·H = G²

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Frequently Asked Questions

What topics are covered in Progressions and Series for SNAP?
Progressions and Series is an important chapter in SNAP Quantitative Aptitude. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Arithmetic Progressions (AP), Geometric Progressions (GP), Harmonic Progressions (HP), Advanced Concepts and Applications.
How important is Progressions and Series for SNAP?
Progressions and Series is a frequently tested chapter in SNAP Quantitative Aptitude. Questions from this chapter appear regularly in previous year papers. There are 43 practice questions available for this chapter.
How to prepare Progressions and Series for SNAP?
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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