ZIMSEC O-Level Mathematics Paper 2 June 2024 Question Paper

About this question paper

This is the ZIMSEC O-Level Mathematics question paper for Paper 2 from June 2024. Use it for exam practice under timed conditions, then check your work against the marking scheme. Time allowed: 2 hours 30 minutes. See the marking scheme.

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Extracted text

# ZIMBABWE SCHOOL EXAMINATIONS COUNCIL General Certificate of Education Ordinary Level

**MATHEMATICS**

PAPER 2

4004/2

2 hours 30 minutes

**JUNE 2024 SESSION**

Additional materials:

Mathematical Instruments

Mathematical Tables

Non programmable Electronic Calculator

Answer booklet

### INSTRUCTIONS TO CANDIDATES

Write your Name, Centre number and Candidate number in the spaces provided on the answer booklet.

Answer all questions in Section A and any four questions from Section B.

If you use more than one booklet, fasten them together.

All working must be clearly shown on the same sheet as the rest of the answer.

Omission of essential working will result in loss of marks.

If the degree of accuracy is not specified in the question and if the answer is not exact, the answer should be given correct to three significant figures. Answers in degrees should be given correct to one decimal place.

Mathematical tables and Non-programmable electronic calculators may be used to evaluate explicit numerical expressions.

### INFORMATION FOR CANDIDATES

The number of marks is given in brackets [ ] at the end of each question or part question.

## This question paper consists of $\mathbf{1 0}$ printed pages and $\mathbf{2}$ blank pages.

Copyright: Zimbabwe School Examinations Council, J2024.

**Section A [52 Marks]**

Answer all questions in this section

## Question 1
### (a)

Mr Moyo's basic monthly salary is $$ 205$. He receives a commission of $2 \%$ for any sales above $$ 500$.

#### (i)

Calculate his gross salary for the month if his sales were $$ 1550$.

#### (ii)

In a certain month the following deductions were made

| Pension | $$ 3,90$ |
| :--- | :---: |
| Medical aid | $$ 1,65$ |
| Income tax | $$ 4,50$ |

Calculate his net salary for the month he made sales of $$ 1550$.

### (b)

The sum of the interior angles of a polygon is double the sum of the exterior angles.

Find the number of sides of the polygon.

## Question 2
### (a)

Solve the equation \(6 x-2=2 x+8\).

### (b)

Factorise completely

#### (i)

\(\quad 5 h^{2}-20 k^{2}\)

#### (ii)

\(\quad 2 m p-m-6 n p+3 n\)

### (c)

Express \(\frac{3}{x-y}-\frac{2}{x+y}\) as a single fraction in its simplest form.

## Question 3
### (a)

Mr Dube had an appointment with a doctor at 1400. Mr Dube arrived 14 minutes earlier and the doctor was 15 minutes late.

Find how long Mr Dube had to wait before the doctor arrived.

### (b)

Find the difference between 4 weeks 3 days and 2 weeks 5 days, giving the answer in weeks and days.

### (c)

Mary cycles to and from a school 5 times. The school is 5 km away, to the nearest km.

Calculate the smallest possible distance she cycles.

### (d)

The population of a town A is \(4,52 \times 10^{7}\) and that of town B is \(8,7 \times 10^{6}\).

#### (i)

Calculate the difference between the populations of town A and town B, giving the answer in standard form.

#### (ii)

Given that \(40 \%\) of the population of town B are adults, calculate the number of adults in town B.

Give the answer in ordinary form.

## Question 4
### (a)

Simplify \(\frac{0,35+0,25}{0,3 \times 0,04}\)

### (b)

Evaluate \(43_{5}+1001_{2}\), giving the answer in base two.

### (c)

A rectangular garden measures 15 m by 12 m to the nearest metre. Calculate the least possible area of the garden.

### (d)

Given that \(a=3,12 \times 10^{-3}\) and \(b=4,5 \times 10^{-4}\) find, giving the answer in standard form, the value of

#### (i)

\(a+b\),

#### (ii)

\(a b\).

## Question 5
Answer the whole of this question on sheet of plain paper.

Use ruler and compasses only for all constructions and show all construction lines and arcs.

### (a)

On a single diagram, construct.

#### (i)

a quadrilateral \(A B C D\) with \(A D\) parallel to \(B C, A B=8 \mathrm{~cm}\). \(B C=10 \mathrm{~cm}, A \hat{B} C=90^{\circ}\) and \(B \hat{C} D=60^{\circ}\).

#### (ii)

the locus of points equidistant from \(A\) and \(B\).

#### (iii)

the locus of points equidistant from \(B\) and \(C\).

### (b)

#### (i)

Mark and label point \(P\), which is equidistant from \(A\) and \(B\), and also equidistant from \(B\) and \(C\).

#### (ii)

Construct a circle passing through \(A, B\) and \(C\).

### (c)

Region \(T\) is such that it is nearer \(B\) than \(C\) and nearer \(B\) than \(A\) and lies inside the quadrilateral \(A B C D\).

Shade region \(T\).

### (d)

Measure and write down the radius of the circle (b)(ii).

**Section B [48 Marks]**

Answer any four questions from this section.

## Each question carries \(\mathbf{1 2}\) marks.

## Question 6
### (a)

\(\xi=\{x: 1<x \leq 20, x\) is an integer \(\}\)

\(X=\{x: x\) is a prime number \(\}\)

\(Y=\{x: x\) is an even number \(\}\)

\(Z=\{x: x\) is a multiple of 5\(\}\)

#### (i)

List all the elements of set \(X\).

#### (ii)

Find \(n(Z)\).

#### (iii)

Find \(n(Y \cup Z)\).

#### (iv)

Set P is a subset of \(\xi\) such that \(P=\{10 ; 20\}\).

Express set \(P\) in set notation, using the sets \(X, Y\) and Z .

### (b)

#### (i)

Solve the inequality \(-3<2 x+1 \leq 7\).

#### (ii)

Give the integral values which satisfy the inequality in (i).

## Question 7
### (a)

Given that \(A=\left(\begin{array}{ll}x  |  3  1  |  2\end{array}\right)\),

#### (i)

find the value of \(x\) if the determinant of \(A\) is 5 .

#### (ii)

find the inverse of \(A\).

### (b)

Solve the following simultaneous equations:

$$
\begin{aligned}
4 x+3 y  |  =6
x+2 y  |  =-1
\end{aligned}
$$

### (c)

![](https://ocr.unopasa.com/p/ocr_assets/0eec977dcc26194c0bc8271d258b8ee9f98d8894877ac82f303b73c599dd799a.jpg)

In the diagram points \(\mathrm{P}, \mathrm{Q}, \mathrm{R}, \mathrm{S}\) and T lie on the circumference of a circle. QS is the diameter of the circle. PT is parallel to QS .

\(Q \hat{S} T=68^{\circ}\) and \(S \hat{Q} R=34^{\circ}\).

#### (i)

State briefly why \(Q \hat{R} S=90^{\circ}\).

#### (ii)

Find \(Q \hat{S} R\).

#### (iii)

Find \(\hat{S T P}\).

## Question 8
The following is an incomplete table …