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.

Hard - 655-705 Combinations Problem Solving GMAT Questions

Hard - 655-705 difficulty Combinations Problem Solving GMAT practice questions. Every question below links to its own page with the full solution, community comments, and discussion.

Questions

With explanations

With comments

Total comments

Practice Hard - 655-705 Combinations Problem Solving questions

Hard - 655-705 Combinations Problem Solving questions measure whether you can count arrangements and selections correctly — permutations vs. combinations.. Here you'll find 12 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

12 questions

PS · Problem Solving

655-705

Combinations

A student has a collection of stamps that he wants to number starting from ‘1’. He used a total of 912 digits for this task. How many stamps...

Has explanation0 comments

Frequently asked questions

Are these Combinations Problem Solving questions free?▾

Yes. All 12 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 Hard - 655-705 difficulty mean on the GMAT?▾

The 655-705 band maps to the GMAT Focus scoring range. Questions in this band are hard - 655-705 — ideal for building accuracy before you move up to harder tiers.

Latest Community Comments

recent discussion across these questions

Jeremi SwierkoszJan 30, 2025

thanks for the answer

onProblem Solving · Combinations—In a soccer tournament, 25 teams compete, earning 4 points for a victo...