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Others Trial 2023 Mathematics Kertas 1 · Kertas 1

1
Round off 0.0897 correct to two significant figures.
2
Given m_5 = (3×5^4) + (2×5^2) + 5 + 4. Determine the value of m.
3
A total of 20 solid metal cubes, with side 5 m, were melted down to form 400 identical solid spheres. Calculate the volume, in cm^3, of each solid sphere.
4
Diagram 1 shows two regular polygons, EFGHJKLMN and EFPQR. Determine the value of x.
5
Diagram 2 shows a plan of circular pond. Point O is the center of the circle and the straight wall EFG touches the pond at point F. Given that \angle EFL = 78^\circ and \angle KLF = 63^\circ. Calculate the value of x.
6
Diagram 3 shows two octagons drawn on Cartesian plane. Octagon II is the image of octagon I under a transformation. Describe in full the transformation.
7
Diagram 4 shows two quadrilaterals, J and K, drawn on a Cartesian plane. Quadrilateral K is the image of quadrilateral J under an enlargement. Determine the scale factor and the centre of enlargement.
8
Diagram 5 shows a tessellation consisting of hexagons which are produced by isometric transformation. What is the transformation involved to produce shape S from shape R?
9
Diagram 6 shows a graph of quadratic function. Determine the equation of the axis of symmetry.
10
Simplify: (\frac{m^2 n^4}{n^{-1}})^{\frac{1}{2}} \times m^{\frac{5}{2}} \times n^{\frac{1}{2}}
11
Diagram 7 shows a triangle, RST. Given the ratio RS : ST : TR = 1:2:\frac{1}{2}. Calculate the perimeter, in cm, of triangle RST.
12
Diagram 8 shows two right-angled triangles, EFG and HGF. Calculate the value of x-y.
13
Diagram 9 shows a Venn diagram with universal set, \xi = P \cup Q \cup R. Which of the following represents the shaded region?
14
Diagram 10 is a Venn diagram that shows the number of pupils according to their favourite sports. Given the universal set, \xi = H \cup R \cup K, set H = { pupils who like to play hockey }, set R = { pupils who like to play rugby } and set K = { pupils who like to play cricket }. Given that n(H)= 32, n(R)= 65 and n(K)= 22. Calculate the number of pupils who do not like to play rugby.
15
Which of the following graphs represent f(x) = -12 + x + x^2?
16
Diagram 11 shows a graph with loop and multiple edges. Choose the correct information related to the graph.
17
Noor has RM18 000 in her saving account. She withdraws RM1 600 per month for n months. Determine the inequalities that represent the value of n if Noor needs to have at least RM2 000 balance in her account.
18
Diagram 12 shows a shaded region defined by a system of linear inequalities. Which of the following inequalities that represent the shaded region other than x \ge 0 and y \ge 0?
19
Diagram 13 shows a trapezium TUVW drawn on the Cartesian plane. Determine the equation for straight line TU.
20
Which of the following diagrams I, II, III or IV represent graphically a linear equation in two variables?
21
Simplify: \frac{pt + tu}{16t^2 - 1} \div \frac{p^2 - u^2}{16t^2 - 16t + 3}
22
Azman bought 8 chocolate cakes at the price of RMy each, 4 slices of strawberry cakes at the price of RM16 and 4 tiramisu cakes at the price of RM4y each. Express the total price of cakes in terms of y.
23
Diagram 14 shows a rectangle PQRS. Given U is a midpoint of QR. Calculate the area, in cm², of unshaded region.
24
Diagram 15 shows a box plot that represents a set of data. Given the range and the interquartile range are 225 and 90 respectively. Calculate the value of p.
25
Puan Mariah owns a service apartment in Bayan Lepas. The rental of the apartment is estimated at RM1 200 per month and she paid RM322 each half year for property assessment tax. Calculate the property assessment tax rate for the service apartment.
26
A basket has seven chickens. The mean mass of a chicken is 1.6 kg. A chicken with a mass of 1.92 kg is added into the basket. Calculate the new mean mass, in kg, of a chicken.
27
Diagram 16 shows a square PQRS with sides 4 cm and three quadrants of a circle with centres P, Q and R respectively. Point X and Y are two points that move in the square. The locus of point X always move such that RX = XQ and the locus of Y moves always less 2 cm from the line of QR. Which the following point A, B, C or D is the intersection of locus X and locus Y?
28
Diagram 17 shows the distance-time graph for the movement of a particle for a period of 19 seconds. Given the speed of the particle for the last 6 seconds is 0.9 m s^-1. Calculate the value of k.
29
Diagram 18 shows the arrangement of a picture on the cards which are each square shaped. Given a distance, J, the area not covered by the picture varies inversely with the square root of the area, L, of a picture. If the area of a picture is 196 cm^2, then the distance of the area not covered by the picture is 6 cm. Nasreen wants to arrange another picture in the middle of the card. Calculate the area of the image, in cm^2, if the distance both side that not covered by the image are 2 cm.
30
Table 1 shows the values of the variables w, r and t. | w | 20 | 30 | |---|----|----| | r | 30 | x | | t | 0.75 | 1.25 | Given that w varies directly with r and inversely with the square of t. Calculate the value of x.
31
Table 2 shows the total sales of watermelon in 10 weeks. | Minggu Week | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |---|---|---|---|---|---|---|---|---|---|---| | Bilangan tembikai Number of watermelon | 90 | 190 | 200 | 130 | 860 | 780 | 120 | 310 | 145 | 85 | Calculate the probability of the number of weeks, the seller can sell at least 200 watermelons.
32
Diagram 19 shows box P and box Q contain four cards labeled with numbers and three cards labeled with letters respectively. A card is drawn at random from box P and box Q respectively. Calculate the probability of getting a factor of 21 and a vowel.
33
Given matrix M = \frac{1}{2}\begin{pmatrix} 12 & p \\ -10 & 4 \end{pmatrix} and matrix N = \begin{pmatrix} 6 & 3 \\ p+q & 2 \end{pmatrix}. Calculate the value of q if M = N.
34
Given \begin{pmatrix} 1 & g \\ h & -3 \end{pmatrix} \begin{pmatrix} 4 \\ -7 \end{pmatrix} = \begin{pmatrix} -31 \\ 29 \end{pmatrix}, calculate the value of g and of h.
35
Diagram 20 shows two right-angled triangles, PQS and PRS. PQRT is a straight line. Given QR = 8 cm and cos y^\circ = \frac{20}{29}. Determine the value of tan x^\circ.
36
Diagram 21 shows a graph of a trigonometric function. Which of the following represents the graph above?
37
In the beginning of year 2023, Puan Laila saves RM10 500 in her savings account. The bank pays an annual interest of 4% for a year and is compounded once every 4 months. Calculate the interest received by Puan Laila at the end of the second year.
38
Which of the following is a tree with minimum total weight?
39
Diagram 22 shows an ogive of the mass, in g, of 60 mangoes. Which of the following is NOT true?
40
Encik Zainal bought a car worth RM90 000 on credit. He pays 10% down payment and the balance is payable in instalments over 7 years. The flat interest rate imposed by the bank is 4% per annum. What is the monthly instalment to be paid by Encik Zainal?
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