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Sets
Practice Questions

99 CXC CSEC Mathematics questions on Sets, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Sets.

Try 2 sample questions on Sets

Question 1 · 1 mark · Difficulty 1/3

Given that U is the universal set and P is a subset of U, which expression represents all elements NOT in set P?

  1. U'
  2. P ∪ U
  3. P ∩ U
  4. P'
Show answer & explanation
✓ Answer: D — P'
Award 1 mark for identifying the complement notation. B is incorrect because P ∪ U = U. C is incorrect because P ∩ U = P. A is incorrect because U' = ∅ (empty set).
Question 2 · 1 mark · Difficulty 1/3

A teacher in Port of Spain asked students to list all the prime numbers less than 10. Which type of set does this collection represent?

  1. Universal set
  2. Finite set
  3. Infinite set
  4. Empty set
Show answer & explanation
✓ Answer: B — Finite set
Award 1 mark for identifying that the set {2, 3, 5, 7} contains a countable number of elements (exactly 4). C is incorrect — an infinite set has unlimited elements. D is incorrect — the set contains elements. A is incorrect — a universal set contains all elements under consideration.
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20 questions · 25 min · free

CXC CSEC Mathematics: Sets FAQ

Is Kramizo free for CXC CSEC students preparing for Mathematics?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Sets practice with other Mathematics topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Sets questions aligned to the official CXC CSEC Mathematics syllabus?
Every question is written against the published CXC CSEC Mathematics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is Sets typically tested on CXC CSEC Mathematics papers?
Sets appears across multiple question types on real CXC CSEC Mathematics papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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