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Others Trial 2023 Mathematics Kertas 1 · Set 2

1
Express 4.062 × 10^-2 as a single number correct to 3 significant figures.
2
Given that the speed of light is 3 × 10^5 kms^-1, find the distance, in km, travelled by light in 26 minutes. Express the answer in standard form.
3
Diagram 1 shows the net of a cube. It is given that the volume of the cube is 4096 m^3. Calculate the totals surface area, in cm^2, of the net.
4
Convert 2 x 7^4 + 3 x 7^2 + 6 to a number in base seven.
5
It is given that 8^2x + y = 110000010_2, where x and y are positive integers less than eight. Find the values of x and y.
6
Diagram 2 shows a polygon KLMNPQ. PQR is a straight line. Find the value of x.
7
Diagram 3 shows a regular hexagon PQRSTU and a quadrilateral QRSV. TSV is a straight line. Find the value of x + y.
8
In Diagram 4, JK is a tangent to the circle KLM at K and JML is a straight line. The value of x is
9
Diagram 5 shows two polygons, R and S drawn on a Cartesian plane. R is the image of S under a transformation. Find the image coordinates of the point P under the same transformation.
10
Diagram 6 shows several trapeziums drawn on a Cartesian plane. It is given that transformation J = translation $\binom{2}{-5}$ K = reflection on line y = -x Which of the trapezium A, B, C and D, is the object M' under the combined transformation JK?
11
Diagram 7 shows a right-angled triangle PQR. Given QR = 14 cm and tanθ = $\frac{24}{7}$, find the perimeter, in cm, of the right-angled triangle.
12
In the Diagram 8, point W lies on the arc of a circle with centre, O. The minor arcs WP and PQ have the same length. Find the value of cos $\alpha$ + tan $\beta$.
13
In Diagram 9, PQRS is a straight line. Find the value of y - x.
14
Diagram 10 shows a graph that has loops and multiple edges. Which of the following is the set of edges for the graph?
15
Diagram 11 shows an undirected and weighted graph. The weight represents the distance, in km. Calculate the difference between the longest and shortest distance, in meters from point A to point E.
16
The table 1 shows the information of books bought by Muhd Fauzi. | Subject | Price per book | | Mathematics | RM 12.70 | | Science | RM 8.50 | Muhd Fauzi bought 7 books and paid with a RM100 note. He got the balance of RM23.70. How many mathematics books did Muhd Fauzi buy?
17
Simplify $\frac{4pq^2r \times (-12r^2q)}{-16p^2q^2r^2}$
18
Given L = $\sqrt{4M+3}$, express M in terms of L.
19
What is the value of m if 32^m = 64^{m-3}?
20
Fateh received pocket money of RM(k^2 – 25) for (k + 5) days. Nukman received pocket money of RM(k + 5)^2 for (k^2 – 5^2) days. Calculate the product of Fateh and Nukman's daily pocket money.
21
List all the integers x that satisfy the inequalities 5 – 2x \le 7 and 5(x – 3) < x + 5.
22
Table 2 shows the scores obtained in a competition. | Score | 0 | 1 | 2 | 3 | 4 | 5 | | Frequency | 3 | 4 | 7 | 6 | x | 2 | Given the median is 3. Which of the following is the possible value of x?
23
Hashim sent a basket of durians to a stall to sell. The mass of each durian is shown in the table 3. | Mass (kg) | Frequency | Cumulative Frequency | | 1.0 – 1.4 | 3 | 3 | | 1.5 – 1.9 | 7 | 10 | | 2.0 – 2.4 | P | 25 | | 2.5 – 2.9 | 10 | Q | | 3.0 – 3.4 | 5 | 40 | Calculate Q – P.
24
Diagram 12 shows a point H on the helicopter. M and P are two points on the horizontal ground. Calculate the angle of depression of point P from point H.
25
Diagram 13 is a bar chart showing the number of smartphones sold by Daniel from July to December 2022. The number of smartphones sold from July to December is 2.5% less than the number of smartphones sold from January to June. The profit earned by Daniel for each smartphone sold was RM350. Calculate the total profit earned by Daniel in that year.
26
Which of the following graphs represents y = 15 - 2x^3?
27
One of the factors of 1 - 16x^2 is
28
The diagram 14 below is a Venn diagram showing the elements of set P, set Q and the universal set \xi. List down all the elements of set P'.
29
Diagram 15 is a Venn diagram showing the number of elements in Set P, Q and R. Given that universal set \xi = P \cup Q \cup R and n(\xi) = 19. Find the value of n(R \cap Q)' \cap Q.
30
Nazim chargeable income in 2020 was RM48 850. He paid zakat amounting to RM200 in that year. Table 3 shows individual income tax rate for chargeable income between RM35 001 and RM50 000. | Chargeable income (RM) | Calculations (RM) | Rate (%) | Tax (RM) | | 35 001 – 50 000 | On the first 35 000 | | 600 | | | Next 15 000 | 8 | 1200 | Calculate the income tax to be paid by Nazim.
31
Jasmin's active income is RM3 500. Her fixed expenses and variable expenses are RM3 800 and RM1 200 respectively. How much is Jasmin's passive income so that the cash flow is positive?
32
Shahifull deposits RM6 500 n a bank which pays a simple interest rate of x% per annum. The total saving of Shahifull at the end of the fourth year is RM7 410. Calculate the value of x.
33
Jason wants to buy a life insurance with a face value of RM150 000. The annual premium rate per RM1 000 of face value offered to Jason is RM2.12. What is the monthly premium needs to be paid by Jason?
34
Diagram 16 shows a straight line JK. Find the y-intercept of straight line JK.
35
In Diagram 17, PQ is a straight line with gradient $\frac{1}{3}$. Find the equation of the straight line PQ.
36
Humaira will take the online test next week. The probability that Humaira will pass the online test is 0.7. Calculate the probability if she passes the online test after 3 attempts.
37
Iskandar brings 7 blue marbles, 5 yellow marbles and 6 red marbles in a game. Two marbles are taken at random in that game. Find the probability that the two marbles are the same colour.
38
Table 5 shows some values of the variables t, h and w. | w | 3 | 4 | | t | 3 | 8 | | h | 9 | x | Given that w \propto $\frac{t}{\sqrt{h}}$, calculate the value of x.
39
$\frac{1}{4} \begin{pmatrix} 8 & -4 \\ -12 & 16 \end{pmatrix} - \begin{pmatrix} 2 & -2 \\ -4 & 1 \end{pmatrix} + \begin{pmatrix} -1 & 2 \\ -3 & -7 \end{pmatrix} =$
40
Given that $\begin{pmatrix} 3 \\ x \end{pmatrix} (y \ -1 \ 3) = \begin{pmatrix} 12 & -39 \\ -20 & 65 \end{pmatrix}$, find the value of x and y.
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