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Selangor Trial 2024 Mathematics Kertas 1 · Set 1

1
Diagram 1 shows a cylinder. The height of the cylinder is 21 cm. Given that volume of cylinder is 12 936 cm^3. Using \pi = \frac{22}{7}, calculate the length, in cm, of circumference of the base of the cylinder.
2
Majlis Bandaraya Diraja Klang bercadang untuk membina sebuah dewan orang ramai. Kontraktor yang dilantik menggunakan jubin berbentuk segi empat sama dengan panjang sisi 60 cm bagi menutup ruang lantai dalam dewan utama. Setelah membuat pengiraan, kontraktor menyatakan bahawa mereka memerlukan 2 160 keping jubin. Hitung luas, dalam m^2, lantai dewan utama yang akan ditutupi dengan jubin.
3
Express \frac{st + tu}{4t^2 - 1} \div \frac{s^2 - u^2}{4t^2 - 4t + 1} as a single fraction in its simplest form.
4
Jadual 1 menunjukkan kos tenaga elektrik bagi setiap kilowatt-jam. | Jumlah kilowatt-jam (kWj) Total of kilowatt-hour (kWh) | Harga per kilowatt-jam Price of kilowatt-hour (RM) | |---|---| | 1 - 200 | 0.21800 | | 201 - 300 | 0.33400 | | 301 - 600 | 0.51600 | | 601 - 900 | 0.54600 | | > 900 | 0.57100 | Hitung kos yang perlu dibayar oleh Encik Fahmi, jika penggunaan tenaga elektrik beliau pada bulan April adalah 304 kWj.
5
Which of the following is a sequence?
6
Simplify: \frac{(p^3q^{-2})^3}{4pq} \times 12p^2q^3
7
Diberi bahawa \sqrt{9m} = \frac{4p+r}{p}. Ungkapkan p dalam sebutan m dan r.
8
S merupakan pendapatan bulanan Encik Johan, dalam RM. Pendapatan bulanan Encik Johan lebih daripada RM8 300. Ketaksamaan linear yang manakah mewakili situasi di atas?
9
Isi padu, V, gas berubah secara langsung dengan suhu, T dan secara songsang dengan tekanan, P. Diberi isi padu gas ialah 225 cm^3 apabila suhu dan tekanan gas masing-masing ialah 300 K dan 100 N cm^{-2}. Hitung isi padu gas, dalam cm^3, apabila suhu menurun ke 270 K dan tekanan gas ialah 150 N cm^{-2}.
10
Diagram 2 shows an equilateral triangle, QRU and two squares, PQUV and RSTU. Given area of PQUV is 36 cm^2, calculate the difference in area between square, RSTU and equilateral triangle, QRU.
11
In Diagram 3, line QST is a straight line while PQ and RS are parallel lines. Given that \angle PQR and \angle RQS are congruent. Calculate the value of x + y + z.
12
Given the price of a camera before 10% sales tax is RM5 490. Calculate the selling price of camera after the tax is imposed.
13
Given that the simultaneous linear equations mx + 12y = 9 and nx = 5 + 4y have no solution. Express m in terms of n.
14
In Diagram 4, ABCD and EAF are straight lines. Given that AB = 2AF, AF = GC = 10 cm and sin m° = \frac{12}{13}. Find the value of cos n°.
15
Diagram 5 shows two circles with same size. PJR is a common tangent for both circles. HJN and LJK are straight lines. Given that \angle JLM=32^{\circ}, find the value of x.
16
Height of Shimi, Aien and Midah are 10100001_2 cm, 231_8 cm and 1123_5 cm respectively. Calculate the average height of them, in cm.
17
Diagram 6 shows the pattern for wallpaper that will be pasted on a wall. What can you conclude based on the pattern of the wallpaper?
18
Diagram 7 is a Venn diagram that shows the number of students for the universal set, \xi = {murid-murid Tingkatan 5A}, set H = {ahli Persatuan Sejarah} and set M = {ahli Persatuan Matematik}. Diberi n(\xi) = 32, 8 orang murid adalah ahli bagi kedua-dua Persatuan Sejarah dan Persatuan Matematik. Bilangan ahli Persatuan Matematik adalah dua kali ganda bilangan ahli Persatuan Sejarah. Jika 4 orang murid bukan ahli daripada kedua-dua persatuan, cari bilangan murid yang menjadi ahli Persatuan Sejarah sahaja.
19
Table 2 is a cumulative frequency table which shows the number of pens owned by students of 5 Amanah. | Bilangan pen Number of pens | 1 | 2 | 3 | 4 | 5 | |---|---|---|---|---|---| | Kekerapan longgokan Cumulative frequency | x | 10 | 15 | 17 | 18 | If the mode is 1, state one possible value of x.
20
Sara deposited RM10 000 in a bank on 1st December 2018 with an interest rate of 4% per annum. After n years, the total amount of her savings is 10 000(1.04)^n. Calculate the total amount of her savings, to the nearest RM, on 1st December 2024.
21
Diagram 8 shows a stem-and-leaf plot for Mathematics test marks obtained by a group of students in class 4S2. Markah Ujian Matematik Mathematics Test Marks | Batang Stem | Daun Leaf | |---|---| | 6 | 3 4 7 8 9 | | 7 | 0 1 3 4 4 5 5 6 | | 8 | 0 1 3 4 6 7 | | 9 | 0 2 5 5 8 | | 10 | 0 | Kekunci: 6 | 3 bermaksud 63 markah Key : 6 | 3 means 63 marks Murid yang mendapat selebih-lebihnya 80 markah perlu menghadiri kelas pemulihan. Hitung peratus murid yang tidak perlu menghadiri kelas pemulihan.
22
Diagram 9 shows straight line OP is parallel to straight line QR. Determine the x-intercept of line QR.
23
Given that \binom{4}{m}(n-2)=\begin{pmatrix}20&-8\\ -15&6\end{pmatrix}, find the value of m + n.
24
Diagram 10 shows a distance-time graph of the route from Azman's house to his working place. Setiap pagi, Azman akan berhenti selama setengah jam di sebuah gerai makan untuk bersarapan. Jika laju purata perjalanan Azman ke tempat kerja ialah 60 km j^{-1}, tentukan nilai t.
25
Diagram 11 shows two straight lines x = 2y and y = -\frac{2}{5}x+4 which are drawn on a Cartesian plane. Rantau manakah yang memuaskan ketaksamaan x \ge 2y dan y > -\frac{2}{5}x+4?
26
It is given that y varies directly as the cube of x. Which of the following table, represents the relationship between x and y?
27
A set of data consists of 20 positive numbers. Given that \sum(x-\overline{x})^{2}=800 and \sum x^{2}=3220, calculate the mean of the data.
28
Diagram 12 shows parts of the graph of a trigonometric function. Which trigonometric function represent the graph in Diagram 12?
29
Diagram 13 shows a square hijab ABCD purchase by Rosnah. There are two circles, P and Q painted on the hijab. Diberi luas bulatan P dan bulatan Q, masing-masing ialah 1 386 cm^2 dan 154 cm^2. Hitung luas, dalam cm^2, kawasan tidak berlorek.
30
Diagram 14 shows a plan of a land that will be made into a parking area, drawn to a scale of 1 : 200. The white area is the passage area which is a no-parking zone. Pemilik tanah berhasrat membuat kotak parkir dengan dimensi 2.5 m x 5 m per kotak dan akan mengenakan bayaran parkir sebanyak RM3.00 per jam bagi setiap kenderaan. Hitung kutipan bayaran parkir maksimum, dalam RM, yang boleh diperoleh dalam satu jam.
31
Diagram 15 shows a regular hexagon RSTUVW. Lokus J ialah satu titik yang bergerak dengan jarak sentiasa sama dari garis RS dan garis RW. Lokus K ialah satu titik yang bergerak dengan jarak sentiasa sama dari titik S dan titik U. Antara berikut, yang manakah benar bagi lokus J dan lokus K? | | Lokus J Locus J | Lokus K Locus K | |---|---|---| | A | Garis RU Line RU | Garis TR Line TR | | B | Garis RU Line RU | Garis TW Line TW | | C | Garis TV Line TV | Garis UW Line UW | | D | Garis TW Line TW | Garis ST Line ST |
32
Diagram 16 is a Venn diagram showing set P, set Q and set R such that the universal set, \xi = P \cup Q \cup R. Which of the following represents the shaded area?
33
Ridwan bought a car worth RM70 000 on credit. He has paid RM7 000 as down payment and the monthly instalment for his loan is RM793.33. If the interest rate charged by the bank is 4% per annum, how many years does Ridwan need to make the payment to the bank?
34
Suzie works as a nurse at a clinic. Her monthly net salary is RM X. She saves 10% of her monthly net salary as a fixed monthly saving. Her estimated monthly expenses as in the Table 3. | Perbelanjaan tetap Fixed expenses | RM2 000 | | Perbelanjaan tidak tetap Variable expenses | RM920 | Find the value of X if the surplus of income is RM2 030.
35
A letter is chosen at random from the word "BIOLOGI". Calculate the probability of choosing a vowel or a letter G.
36
Diagram 17 shows a plan, front and side elevations of a solid Z. Diberi luas bulatan ialah 38.5 cm^2. Menggunakan \pi = \frac{22}{7}, hitung jumlah luas permukaan, dalam cm^2, pepejal Z.
37
Diagram 18 shows two verticle poles AB and EDC on a horizontal plane. The distance between point B and C is 4 cm. Given the angle of elevation D and E from A are 30° and 60° respectively. Calculate the length of AE, in cm.
38
Diagram 19 shows a regular octagon PQRSTUVW. Quadrilateral QRSO is the image of quadrilateral VWPO under a transformation M. State the transformation of M.
39
Given P (-2, 5), Q and R (7, 2) are collinear such that PQ : PR = 1 : 2. Find coordinate of Q.
40
Table 4 shows the cumulative frequency distribution of marks for a group of students in a Mathematics test. Given that the marks obtained are at least 20 marks. | Markah Marks | Bilangan murid Number of students | |---|---| | < 30 | 2 | | < 40 | 7 | | < 50 | 14 | | < 60 | 22 | | < 70 | 32 | | < 80 | 37 | | < 90 | 39 | | < 100 | 40 | Calculate the mean.
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