How do I improve at Combinations questions?

Start by reviewing the Combinations 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 Combinations theory?

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

Moderately Easy - 555-605 Combinations Problem Solving GMAT Questions

Moderately Easy - 555-605 difficulty Combinations 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 Moderately Easy - 555-605 Combinations Problem Solving questions

Moderately Easy - 555-605 Combinations Problem Solving questions measure whether you can count arrangements and selections correctly — permutations vs. combinations.. Here you'll find 15 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

15 questions

PS · Problem Solving

555-605

Combinations

What is the probability of obtaining exactly four heads when flipping a fair coin six times?

Has explanation2 comments

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Are these Combinations Problem Solving questions free?▾

Yes. All 15 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 Moderately Easy - 555-605 difficulty mean on the GMAT?▾

The 555-605 band maps to the GMAT Focus scoring range. Questions in this band are moderately easy - 555-605 — ideal for building accuracy before you move up to harder tiers.

Latest Community Comments

recent discussion across these questions

Yu Jie WangMar 19, 2025

got this wrong on my practice

onProblem Solving · Combinations—On a shelf, there are 10 books, which include 3 paperback books and 7 ...

Siddhi ChourasiaFeb 28, 2025

thanks for the answer

onProblem Solving · Combinations—In a local cinema, a group of six friends decides to watch a comedy to...