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Turn your notes into multiple-choice questions with AI

Upload slides, PDFs or notes and get multiple-choice, true/false and short answer questions with explanations. No video needed.

Create quizzes nowFree · No credit card required

Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates quizzes in seconds

Why a custom MCQ maker beats a generic video

If you want to test yourself on a lecture, a MCQ maker that works from your own slides and notes gets you there faster than building questions by hand. DeckOwl does not produce videos, but it does turn the material you already have into multiple-choice questions with clear explanations.

Multiple-choice, true/false and short answer questions from the same upload
Explanations that show why each correct answer works
Free plan with 3 generations per month and no credit card needed
Plus and Pro exports for PDF, DOCX, Anki, CSV, QTI 2.1 and Moodle XML

Example probability basics MCQ questions

If a fair coin is flipped once, what is the probability of heads?1/2. There are two equally likely outcomes, heads and tails, so each has probability 1/2.

Two events are mutually exclusive. Can both occur on the same trial?No. Mutually exclusive events cannot happen together, so their joint probability is 0.

If P(A) = 0.3, P(B) = 0.5 and A and B are independent, what is P(A and B)?0.15. For independent events, P(A and B) = P(A) × P(B) = 0.3 × 0.5.

True or false: a probability can be greater than 1.False. Probabilities range from 0 to 1 inclusive, since no event can be more likely than certain.

A bag has 3 red and 2 blue balls. What is the probability of drawing a red ball?3/5. There are 3 favorable outcomes out of 5 equally likely total outcomes.

Generate the full set

Works from your own material

Upload PDF, DOCX, PPTX, plain text or photos of pages, and the questions are built from what you actually need to learn.

Explanations for every answer

Each multiple-choice, true/false or open question comes with an explanation so you can see why the right answer is right.

Export when you need it

Plus exports to PDF and DOCX, and Pro adds QTI 2.1 and Moodle XML for course platforms.

How it works

Upload your source

Add slides, a PDF, a Word file or typed notes. Photos of pages are read with text recognition.

Choose the question types

Pick multiple choice, true/false or short answer, then generate the set.

Review and study

Check the questions and explanations in the browser, then practice until the material sticks.

Questions made from your own sources match the terms and examples your instructor uses, so the practice lines up with what will be on the exam. You can review each question, adjust what you keep, and study in the browser at no cost on the free plan.

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Frequently asked questions

How many practice questions should I work through for probability basics?

Start with 10 to 15 mixed questions covering single events, complements and independence, then repeat any you miss. Spacing the practice over several days helps more than one long session.

What is the fastest way to check my understanding of probability rules?

Write each rule with a one-line example, such as P(not A) = 1 minus P(A), then answer quiz questions without looking. The explanations show exactly where a wrong answer went off track.

Can I export my quiz to Moodle or PDF?

PDF and DOCX export are included in Plus at $39/year or $7.99/month, and QTI 2.1 and Moodle XML export are on Pro at $14.99/month. The free plan includes 3 generations per month with browser study and no exports.

Do I need a credit card to try it?

No. You can start without a credit card, and students get 40% off with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.