Mathematics (Syllabus D) 4024/21 — May/June 2021

Cambridge O-Level · Calculator · worked solutions for every part, with the mark scheme

questions

100

marks

150

minutes

Topics Algebra and Graphs · Number · Geometry · Statistics · Trigonometry · Coordinate Geometry · +3 more

Q1NumberFree sample

In 2019 Nicole’s annual income was $22 000.

(a)

She spent $7200 on accommodation in 2019.

Calculate the percentage of her income she spent on accommodation.

______ %

(b)

Her annual income of $22 000 increased by 4% in 2020.

Calculate her annual income in 2020.

$ ______

(c)

Nicole invests $2000 in an account.
The account pays compound interest at a rate of $K$ % per year.
At the end of the first year, the money in the account is $2036.

(i)

Show that $K = 1.8$ .

(ii)

Find the number of complete years before Nicole has at least $2150 in the account.
Show your working.

______ $\text{years}$

The rest of this paper

9 more questions

Q2Statistics · Probability9M
Q3Algebra and Graphs · Mensuration · Number13M
Q4Geometry · Trigonometry13M
Q5Number · Geometry7M
Q6Algebra and Graphs10M
Q7Coordinate Geometry · Algebra and Graphs10M
Q8Geometry · Trigonometry9M
Q9Statistics · Algebra and Graphs10M
Q10Transformations and Vectors · Coordinate Geometry10M

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