How do I improve at Sequences questions?

Start by reviewing the Sequences theory guide, then practice in this difficulty band and track which concepts you miss. Focus on accuracy first, then work on pacing so you finish each question in about two minutes.

Where can I learn Sequences theory?

Our free Sequences guide on the GMAT Sprint Quant hub explains the core concepts and formulas, with worked examples you can practice against.

Very easy - Sub 505 Sequences Problem Solving GMAT Questions

Very easy - Sub 505 difficulty Sequences Problem Solving GMAT practice questions. Every question below links to its own page with the full solution, community comments, and discussion.

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Practice Very easy - Sub 505 Sequences Problem Solving questions

Very easy - Sub 505 Sequences Problem Solving questions measure your ability to spot and extend arithmetic and geometric sequences and work with recursive definitions.. Here you'll find 11 free questions in this band — every one shows the correct answer, with full step-by-step solutions available once you sign in for free. Practice in this difficulty range to build speed and accuracy, then move up a tier as your scores improve.

Question Type

All types(4)Problem Solving(1457)Critical Reasoning(1024)Data Sufficiency(112)Reading Comprehension

Latest questions

11 questions

PS · Problem Solving

sub-505

Sequences

Calculate the sum of the series

(-1)^1 + (-1)^2 + ... + (-1)^{2010}

Frequently asked questions

Are these Sequences Problem Solving questions free?▾

Yes. All 11 questions in this collection are free to practice. Each question shows the correct answer, and signing up for a free account unlocks the complete step-by-step explanations.

What does Very easy - Sub 505 difficulty mean on the GMAT?▾

The sub-505 band maps to the GMAT Focus scoring range. Questions in this band are very easy - sub 505 — ideal for building accuracy before you move up to harder tiers.

Latest Community Comments

recent discussion across these questions

Oshank SinghaiMar 21, 2025

pls explain more?

onProblem Solving · Sequences—In a neighborhood, there are several houses with doorplate numbers tha...

Prajwal GoswamiMar 13, 2025

appreciated!

onProblem Solving · Sequences—Consider a series of numbers, S_1, S_2, S_3, ..., defined by the formu...