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HomeCIE IGCSE MathematicsNumber: Percentages — percentage change, reverse percentage, profit and loss
CIE · IGCSE · Mathematics

Number: Percentages — percentage change, reverse percentage, profit and loss
Practice Questions

20 CIE IGCSE Mathematics questions on Number: Percentages — percentage change, reverse percentage, profit and loss, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Number: Percentages — percentage change, reverse percentage, profit and loss

Question 1 · 1 mark · Difficulty 1/3

A shop increases the price of a jacket from $45 to $54. Calculate the percentage increase.

  1. 9%
  2. 16.7%
  3. 20%
  4. 25%
Show answer & explanation
✓ Answer: C20%
Award 1 mark for correct answer. Method: (54 - 45) / 45 × 100 = 9/45 × 100 = 20%. A is incorrect — this is the absolute increase, not the percentage. B is incorrect — student has calculated (54 - 45) / 54 × 100, using the new value instead of the original. D is incorrect — arithmetic error in the calculation.
Question 2 · 1 mark · Difficulty 2/3

A market trader in Kenya buys mangoes for 240 shillings and sells them for 300 shillings. Calculate the percentage profit.

  1. 20%
  2. 25%
  3. 60%
  4. 80%
Show answer & explanation
✓ Answer: B25%
Award 1 mark for correct answer. Method: profit = 300 - 240 = 60; percentage profit = 60/240 × 100 = 25%. A is incorrect — student has calculated 60/300 × 100, using selling price as the denominator. C is incorrect — this is the profit amount, not the percentage. D is incorrect — student may have reversed the calculation or made a significant arithmetic error.
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CIE IGCSE Mathematics: Number: Percentages — percentage change, reverse percentage, profit and loss FAQ

How many CIE IGCSE Mathematics questions on Number: Percentages — percentage change, reverse percentage, profit and loss are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Number: Percentages — percentage change, reverse percentage, profit and loss for CIE IGCSE Mathematics, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CIE paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CIE IGCSE 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 Number: Percentages — percentage change, reverse percentage, profit and loss practice with other Mathematics topics or even switch to a totally different CIE 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 Number: Percentages — percentage change, reverse percentage, profit and loss questions aligned to the official CIE IGCSE Mathematics syllabus?
Every question is written against the published CIE IGCSE Mathematics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CIE 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 CIE.
How is Number: Percentages — percentage change, reverse percentage, profit and loss typically tested on CIE IGCSE Mathematics papers?
Number: Percentages — percentage change, reverse percentage, profit and loss appears across multiple question types on real CIE IGCSE 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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