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Logical Deductions MCQs for MDCAT

4 Logical Deductions questions from real MDCAT past papers (2025, 2023), each with the correct answer and a written explanation.

4 questionsLogical Reasoning

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1Logical Reasoningsyllogism

All daffodils are plants. All plants are living things. Some living things are real. Conclusions: I. All daffodils are living things. II. Some living things are flowers. III. All daffodils are real. Which conclusions follow?

  1. A.Only I
  2. B.Only I and II
  3. C.Only II and III
  4. D.All follow

Answer and explanation locked

2Logical Reasoningfamily relationship

P and Q are M's parents. M and N are siblings. Q is N's mother. What is P to M?

  1. A.Mother
  2. B.Father
  3. C.Sister
  4. D.Brother

Answer and explanation locked

3Logical Reasoningnumber properties prime divisible

Read the following and choose the correct answer: “X, Y and Z are three whole numbers less than 24 but greater than 11. X is the smallest prime number. Y is the largest number divisible by 3. Z is the samallest number divisible by 11”?

  1. A.X is 13, Y is 24, Z is 11.
  2. B.X is 13, Y is 21, Z is 22.
  3. C.X is 11, Y is 21, Z is 11.
  4. D.X is 11, Y is 24, Z is 22.

Answer and explanation locked

4Logical Reasoningsyllogism tools hammers trash

All hammers are tools. Some tools are useless things. All useless things are trash. Which of the following conclusions are NECESSARILY TRUE given only in information above? Conclusions: I. Some hammers are trash. II. Some tools are trash. III. All useless things are tools.

  1. A.I and III.
  2. B.I and II.
  3. C.II and III.
  4. D.II

Answer and explanation locked

How Logical Deductions is examined

Logical Deductions sits in the official PMDC Logical Reasoning curriculum, the document that defines what can and cannot appear in the 2026 paper. Everything on this page is tagged against that curriculum rather than against a chapter list invented for a website, which is why a chapter here matches the chapter your textbook and your teacher use.

Logical Reasoning carries 9 of the 180 questions in the real paper - 5% of your MDCAT score, and the MDCAT is half your merit aggregate. PMDC does not publish how those 9questions are split across chapters, so no honest page can tell you “expect four from Logical Deductions”. What the archive can tell you is what actually appeared: 4 Logical Deductions questions out of the 14 Logical Reasoning questions digitised so far.

Work through them with the explanations rather than checking answer letters. The explanation says why the other three options are wrong, and distractors get reused across years far more reliably than whole questions do.

Frequently asked questions

How many Logical Deductions MCQs are on this page?
4, drawn from 2 past papers - the 2023, 2025 papers. Every one is transcribed from the real paper rather than written to look like a past paper question, and each carries the correct answer with a written explanation. 0 of them are readable in full without an account.
Is Logical Deductions in the MDCAT 2026 syllabus?
Yes. Logical Deductions is a chapter of the official PMDC Logical Reasoning curriculum, and PMDC has confirmed the 2026 syllabus is unchanged from the 2025 revision, so everything on this page is still examinable.
How many Logical Deductions questions come up in the MDCAT?
PMDC does not publish a per-chapter breakdown, so nobody can tell you a reliable number - be careful with pages that do. What can be counted is the paper as a whole: Logical Reasoning is 9 of the 180 questions, and 29% of the Logical Reasoning questions in our archive so far have come from Logical Deductions.
Do these Logical Deductions MCQs come with explanations?
Yes, and they are written from scratch rather than copied. An answer letter tells you nothing about why the other three options are wrong, which is the part that transfers to the next question. The first 0 questions of every paper are free to read in full; the rest need a pass.