WorksheetsGMX20
Total questions: 30
Worksheet time: 23mins
Name
Class
Date
1.
A reflex angle is between
a)
A. 180° and 360°.
b)
B. 360° and 450°.
c)
C. 0° and 90°.
d)
D. 90° and 180°.
2.
Calculate
a)
A. 16.6
b)
B. 22
c)
C. 13
d)
D. 14.2
3.
There are 2 red, 3 green and 5 blue marbles in a box. What is the probability of randomly selecting a green marble?
a)
A. 0.40
b)
B. 0.50
c)
C. 0.20
d)
D. 0.30
4.
What type of distribution does this graph display?
a)
A. Skew to the left
b)
B. Negatively skewed
c)
C. Symmetrical
d)
D. Skew to the right
5.
Sai is paid K39,000 as his annual gross salary. How much is he paid every fortnight?
a)
A. K3,500
b)
B. K4,500
c)
C. K1,500
d)
D. K2,500
6.
What is the correct inequality that describes the shaded region?
a)
A. y ≤ - x + 1
b)
B. y = - x - 1
c)
C. y = - x + 1
d)
D. y ≥ - x + 1
7.
An item was purchased at a wholesale price of K500 and sold at a retail price for K650.
What is the percentage markup?
a)
A. 40%
b)
B. 50%
c)
C. 20%
d)
D. 30%
8.
John works 45 hours per week at an hourly rate of K12.50. How much does he earn in a fortnight?
a)
Α. Κ662.50
b)
Β. Κ1125.00
c)
C. K1000.00
d)
D. K562.50
9.
"All the prices at a retail shop have increased by 6%". Suppose x is the price of an item at this shop, which of these expressions correctly represents the statement above?
a)
A. 0.94x
b)
B. x/0.06
c)
C. 1.06x
d)
D. 0.06x
10.
The factored form of the expression t² - t - 20 is
a)
A. (t + 4)(t + 5)
b)
B. (t - 4)(t - 5)
c)
C. (t - 4)(t + 5)
d)
D. (t - 5)(t + 4)
11.
a)
A. 2
b)
B. 1
c)
C. 4
d)
D. 3
12.
There are four events W, X, Y and Z. P(W and X) = 0.52, P(W and Y) = 0, P(X and Z) = 0, P(Y and Z) = 0.01, P(X and Y) = 1.00, and P(W and Z) = 0.95.
Which of these two events are mutually exclusive?
a)
A. X and Y
b)
B. Y and Z
c)
C. W and X
d)
D. W and Y
13.
John is 5 years older than Don and 3 years younger than Dave. If the total sum of their age is 79, how old is Don?
a)
A. 27
b)
B. 30
c)
C. 22
d)
D. 25
14.
What was the approximate number of people infected by the Coronavirus in China in mid-February?
a)
A. 40,000
b)
Β. 20,000
c)
C. 100,000
d)
D. 80,000
15.
When did the number of people infected worldwide start exceeding those in China?
a)
A. Mid-March
b)
B. April 1
c)
C. Mid-January
d)
D. Mid-February
16.
A car costs (X+100) Kina. How much would it cost in 8 years time, if the rate of inflation is 5% per year over these 8 years?
a)
A. see the diagram
b)
Β. see the diagram
c)
C. see the diagram
d)
D. see the diagram
17.
The length and perimeter of a rectangular garden are 8.2 m and 24 m, respectively.
What is the width of the garden?
a)
A. 3.8 m
b)
B. 4.1 m
c)
C. 1.8 m
d)
D. 2.8 m
18.
The regression equation y=100+0.4x predicts household expenditure y and income x.
What is the rate of expenditure?
a)
A. 100
b)
B. -100
c)
C. 0.4
d)
D. -0.4
19.
This box-and-whisker plot display a five summary statistics for a set of data.
What is the 25th percentile of this data set?
a)
A. 78
b)
B. 100
c)
C. 38
d)
D. 58
20.
The area in square metres of the triangle is
a)
A. 4(x - √5)
b)
B. 4(x + √5)
c)
C. 8(x + √5)
d)
D. 2(x - √5)
21.
What is the length of the hypotenuse if the side adjacent to 18° is 7 cm?
a)
А. 7.36 сm
b)
В. 22.65 сm
c)
С. 2.16 сm
d)
D. 6.66 cm
22.
What is the angle k in the figure below?
a)
A. 145°
b)
B. 150°
c)
C. 135°
d)
D. 140°
23.
Brian Bell currently offers double discount for customers with privilege cards. The usual discount for such customers is 15%.
How much will the customer pay for an item that costs K2,500 at double discount?
a)
Α. Κ1,750
b)
Β. Κ2,125
c)
C. K375
d)
D. K750
24.
K3,000 is invested at an interest rate of 7% per annum compounded annually for 5 years. How much interest is generated from this investment?
a)
Α. Κ1,207.66
b)
B. K1470.00
c)
C. K4207.66
d)
D. K4470.00
25.
Which of these regression equations below most likely represents the following scatter plot?
a)
A. y = 12 - 1.5x
b)
B. y = 12 + 1.5x
c)
C. y = 10 + 1.25x
d)
D. x = 8 - 1.5x
26.
The volume of a closed right circular cylinder is 2,400 cm³. If the area of the base is 40 cm², what is the height of the cylinder?
a)
А. 200 сm
b)
В. 280 сm
c)
С. 40 сm
d)
D. 60 cm
27.
Angle z is equivalent to
a)
A. x + y
b)
B. 180 - x
c)
C. 180 + x
d)
D. x - y
28.
In the triangle, what is the length of the side AC?
a)
A. 7
b)
B. 19
c)
C. √7
d)
D. 19
29.
The diameters of circles A and B are 12 cm and 16 cm, respectively. What is the ratio of the area of circle A to circle B?
a)
A. 9 : 17
b)
B. 9 : 16
c)
C. 3 : 16
d)
D. 4 : 15
30.
These are two similar triangles in the following diagram. The sides are in cm. What is the length of the side marked x?
a)
А. 6 cm
b)
В. 7 cm
c)
С. 4 сm
d)
D. 5 cm
100 %
