Calculate using reverse percentages. e.g. find the cost price given the selling price and: past paper questions
Real questions on calculate using reverse percentages. e.g. find the cost price given the selling price and
The newest 20 of 99 written questions. Open one to see it on the real paper.
- 4024/12 · October/November 2025 · Q1a[2]
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See it on the paper → - 4024/21 · October/November 2025 · Q8[2]
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See it on the paper → - 4024/21 · October/November 2025 · Q9[3]
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See it on the paper → - 4024/22 · October/November 2025 · Q3[2]
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See it on the paper → - 4024/12 · May/June 2025 · Q13a[2]
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See it on the paper → - 4024/12 · May/June 2025 · Q13b[2]
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See it on the paper → - 4024/22 · May/June 2025 · Q11a[3]
3-mark “Calculate” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 4024/22 · May/June 2025 · Q11b[3]
3-mark “Calculate” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 4024/23 · May/June 2025 · Q21a[1]
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See it on the paper → - 4024/23 · May/June 2025 · Q21b[2]
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See it on the paper → - 4024/11 · October/November 2024 · Q23a[1]
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See it on the paper → - 4024/11 · October/November 2024 · Q23b[1]
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See it on the paper → - 4024/12 · October/November 2024 · Q6[2]
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See it on the paper → - 4024/21 · October/November 2024 · Q1a[1]
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See it on the paper → - 4024/21 · October/November 2024 · Q1b[3]
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See it on the paper → - 4024/21 · October/November 2024 · Q1c[4]
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See it on the paper → - 4024/21 · October/November 2024 · Q1d[3]
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See it on the paper → - 4024/21 · October/November 2024 · Q2a(i)[2]
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See it on the paper → - 4024/21 · October/November 2024 · Q2a(ii)[1]
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See it on the paper → - 4024/21 · October/November 2024 · Q2b(i)[1]
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What examiners said
Most candidates gained full marks in this part. There were some answers where the number of people aged 18 and under were found, rather than those aged over 18. Candidates generally showed correct working and found this question a straightforward start to the paper.
— Examiner report, October/November 2023, 4024/21 Q1(a) (Cambridge)
This question seemed to cause confusion among some candidates. This may have been due to the population that was given being only part of the total population, rather than the full population, as is often the case. Successful candidates tended to divide 890 by 5 to find the population of one part for the ratio first. Some candidates tried to use the population given in part (a), others used the fi...
— Examiner report, October/November 2023, 4024/21 Q1(b) (Cambridge)
Candidates tended to be more successful in this part. The common error here was to divide by 678202 rather than the initial population of 702800. Again candidates generally showed correct working and correctly remembered to multiply by 100 to find the percentage rather than leave their answer as a decimal.
— Examiner report, October/November 2023, 4024/21 Q1(c)(i) (Cambridge)
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