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Melaka Trial 2025 Mathematics Kertas 1 · Kertas 1

1
A Computer Science student is in the process of recovering old data stored in base 3 code. One of the numbers is 2101_3. He needs to convert this number into base 5 to be use in a new system. What is the number in base 5 ?
2
Calculate 34 - 9. Express the answer in base 8.
3
2 is a prime number or 4 is an odd number. What is the truth value of the statement ?
4
The following is part of a number sequence. 1.5 , x , y , 40.5 , 121.5 State the value of x and of y.
5
Diagram 1 shows a cat trapped on a wall that is 3 metres high. Ali wants to rescue the cat using a ladder that is 5 metres long as shown in the diagram. Find tan θ.
6
Simplify 8x^8 \times 3x^5 \div 6x^4.
7
Round off 3.2055 to 3 significant figures.
8
On Diagram 2, ABCD is a trapezium and ACD is an isosceles triangle. Find the value of x.
9
Which of the following is a quadratic expression in one variable ?
10
What number of degrees can be used to draw a simple graph ?
11
K, M and N are three points on a vertical pole. P is a point on the horizontal ground. The angle of depression of P from K is f° and the angle of depression of P from M is g°. Which diagram represents the situation?
12
(5 -2 4) - (-1 0 3) + (-2 4 6) =
13
(2 -1) \begin{pmatrix} 1 & 0 & 3 \\ 4 & -1 & -2 \end{pmatrix} =
14
Diagram 3 shows a circle PQS with RST is a tangent to the circle at point S. The arc length of PS is equal to the arc length of PQ. Find the value of x.
15
Diagram 4 shows a circle with centre O. State the value of y.
16
Based on the information in Table 1, which of the following represents the matrix form correctly ?
17
Simplify the following expression $\frac{3}{p} - \frac{4}{p-3}$
18
Given p = 4q - 3r - 2. Calculate the value of r when p = 16 and q = 3.
19
The gradient of straight line passing through point M and N(0, 12) is -\frac{6}{5}. If point M is located at x-axis, determine the coordinate of point M.
20
Determine the equation of a straight line that is parallel to the straight line \frac{x}{3} + \frac{y}{2} = 1 and passes through point P (–9, 2).
21
Nazri is washing his aquarium. Water from the aquarium is removed using a rubber pipe. The water level, h, in the aquarium varies inversely with time, t. After 20 minutes, the water level in the aquarium is 60 cm. Calculate the water level, h, in cm, after \frac{2}{3} hours.
22
Table 2 shows the values of variables p, q and r. | p | q | r | |---|---|---| | 5 | 25 | x | | 12 | 4 | x^2 | Given that p varies directly as the square root of q and inversely as the square of r. Express p in terms of q and r.
23
104, 107, 101, 124, 119, 106, 113 Calculate the range.
24
Table 3 shows the grade values obtained by 45 students in a test. The test result is shown in the pie chart in Diagram 5. | Nilai gred Grade value | Bilangan murid Number of students | |---|---| | Cemerlang Distinction | 15 | | Kepujian Credit | 10 | | Lulus Pass | 12 | | Gagal Fail | 8 | Which of the following grade values has an angle of the sector that is wrongly labelled?
25
Given that, ξ = {x: x is an integer and 4 ≤ x ≤ 14}, P = {two digits numbers} and Q = {multiple of 2}. State n(P ∩ Q)'.
26
Diagram 6 shows a Venn diagram for a group of 60 students. It is given that the universal set, ξ = {M U S U P}, M = {member of the Young Doctors Club}, S = {member of the STEM Society} and P = {member of the Red Crescent Team}. 30 students joined two units only. Calculate the number of students who participated in only one activity.
27
Asmah owns a house in Merlimau with an annual value of RM6 420 and a property assessment tax rate of 5%. Calculate the property assessment tax that Asmah must pay each year.
28
Basri has a total annual income of RM64 450 in 2024. He donated RM1 000 to an orphanage that has been recognized by the government. Table 4 shows the tax relief he claimed. | Pelepasan cukai Tax relief | Amaun (RM) Amount (RM) | |---|---| | Individu Individual | 9 000 | | Insurans perubatan (had RM2 000) Medical insurance (limit RM2 000) | 2 000 | | Insurans hayat dan KWSP (had RM6 500) Life insurance and EPF (limit RM6 500) | 7 000 | Calculate Basri's income chargeable income.
29
If R is a moving point in Cartesian plane such that the distance between R and the point (-3,4) is equal to 6 units, then the locus of R is a/an
30
Table 5 shows the sales of french fries and fried mushrooms at two stalls. | Gerai Stall | Bilangan cawan Number of cups | |---|---| | | Kentang goreng French fries | Cendawan goreng Fried mushrooms | | P | 56 | 32 | | Q | 34 | 27 | If two cups sold are chosen randomly from Stall Q, find the probability that both chosen are fried mushrooms.
31
Table 6 shows the prices per unit of shares purchased by Steven. | Bulan Month | Mac March | April April | Mei May | Jun June | Julai July | | :---------- | :-------- | :---------- | :------ | :------- | :-------- | | Harga seunit (RM) Unit price (RM) | 2.60 | 2.40 | 2.14 | 2.32 | 2.45 | If Steven invests RM1 000 in a unit trust for each month, calculate the average cost per unit of shares purchased by him.
32
Table 7 shows Faiz's income. | Gaji Salary | Elaun Allowance | Dividen Divident | Sewa diterima Rental received | | :---------- | :-------------- | :--------------- | :---------------------------- | | RM4 500 | RM550 | RM170 | RM800 | Calculate the active income of Faiz.
33
In a sports competition, a participant must run at least 3 km and cycle not more than 15 km. If x represents the running distance and y represents the cycling distance, what system of linear inequalities represents this situation ?
34
Which of the following is not a tessellation ?
35
Diagram 7 shows the speed-time graph of a car. Calculate the total distance, in km, the car travels in 7 hours.
36
Which of the following is not related to rates and insurance premium?
37
Diagram 8 shows point Q plotted on a Cartesian plane. Calculate the value of θ.
38
Diagram 9 shows a cylindrical container fully filled with water. Given the height of the cylinder is twice the radius of the cylinder. Calculate the surface area of the cylinder. [Use π = \frac{22}{7}]
39
Diagram 10 shows a complete respiratory cycle. This cycle consists of the processes of inhale and exhale. The airflow velocity is positive when inhaled and negative when exhaled. This velocity is measured in liters per second. State a function in the form y = a sin bx + c that models airflow in a normal respiratory cycle shown.
40
A shirt is picked at random from a bag that contains 2 green shirts, 5 red shirts and 6 yellow shirts. Find the probability of getting a yellow shirt.
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