Cambridge IGCSE Mathematics practice

exam practice - 1 Determine a specified percentage of a given amount. 2 Represent one amount as a percentage of another. 3 Compute percentage increases or decreases. 4 Perform calculations involving simple and compound interest, which may include scenarios with repeated percentage changes. Note that formulas will not be provided. 5 Execute calculations using reverse percentages, such as finding the original price when given the selling price and the percentage profit. Percentage calculations may involve: deposits, discounts, profit and loss (expressed as either a value or a percentage), earnings, and percentages exceeding 100%. - Percentages

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Paper

Marks

Topic

Percentages

Exam-style question

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Paper 2Core or Extended Mathematics3 marks

Calculating percentage profit and original price using reverse percentages.

Description

A shop sells a bicycle for £360. The shop makes a profit of 20% on the cost price.

a
Calculate the cost price of the bicycle.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Maths method check

Topic focus: Percentages.
Question style: structured_mathematics.
Reasoning demand: reasoning.
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Paper 2Core or Extended Mathematics4 marks

Description

An amount of £2000 is invested at 5% compound interest per year. Calculate the total amount after 3 years.

a
Calculate the total amount after 3 years.
Your answer
Aim for approximately 4 distinct marking points.
[4]