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UCAT Logical Reasoning Questions
Practise logical reasoning (reasoning) for the University Clinical Aptitude Test: 10 multiple-choice questions, each with the correct answer and a worked explanation. Click an option to check it, or “New questions” for another set.
Logical Reasoning practice
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Q1.Which number is the odd one out: 27, 29, 35, 57?
Show answer & explanation
Answer: A — 29
27, 35, 57 are composite; 29 is prime.
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Q2.Ravi walks 11 m north, turns right and walks 4 m, then turns right again and walks 3 m. How far is he from the start?
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Answer: D — 8.94 m
Net: 8 m north and 4 m east. Distance = √(8² + 4²) = 8.94 m.
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Q3.Ravi walks 6 m north, turns right and walks 9 m, then turns right again and walks 3 m. How far is he from the start?
Show answer & explanation
Answer: D — 9.49 m
Net: 3 m north and 9 m east. Distance = √(3² + 9²) = 9.49 m.
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Q4.What is the angle between the hour and minute hands of a clock at 11:50?
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Answer: B — 55°
Angle = |30H − 5.5M| = |30×11 − 5.5×50| = 55°.
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Q5.Ravi walks 8 m north, turns right and walks 3 m, then turns right again and walks 2 m. How far is he from the start?
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Answer: C — 6.71 m
Net: 6 m north and 3 m east. Distance = √(6² + 3²) = 6.71 m.
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Q6.Which number is the odd one out: 21, 37, 43, 53?
Show answer & explanation
Answer: B — 21
53, 37, 43 are prime; 21 is composite (21 = 3 × 7).
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Q7.If MILK is coded as NJML, how is LAMP coded?
Show answer & explanation
Answer: C — MBNQ
Each letter moves 1 place forward in the alphabet (MILK → NJML), so LAMP → MBNQ.
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Q8.Which number is the odd one out: 17, 23, 33, 53?
Show answer & explanation
Answer: B — 33
53, 17, 23 are prime; 33 is composite (33 = 3 × 11).
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Q9.Which number is the odd one out: 19, 35, 41, 61?
Show answer & explanation
Answer: B — 35
41, 61, 19 are prime; 35 is composite (35 = 5 × 7).
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Q10.Find the next letter: I, L, O, R, ?
Show answer & explanation
Answer: C — U
The letters advance by 3 each time (skip 2).
How to approach logical reasoning questions
For coding questions write the letter positions (A = 1 … Z = 26). For directions, draw axes and track each turn. Clock angle = |30H − 5.5M|. Calendar: count odd days.
About UCAT
University Clinical Aptitude Test — conducted by UCAT Consortium. Aptitude test for medicine and dentistry admissions in the UK and partner universities.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
UCAT practice topics
| Topic | Section | Question source |
|---|---|---|
| Verbal Reasoning & Analogies | Reasoning | Calculated + question bank |
| Data Interpretation | Data interpretation | Calculated (new numbers every set) |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |