F1Ch7-12 Revision

Quiz by Ms Choi

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24 questions
• Q1
Round off 13 579 to the nearest hundred.
13 000
14 000
13 500
13 600
45s
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• Q2
Round up 0.090 86 to 2 decimal places.
0.10
0.091
0.09
0.1
45s
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• Q3
Round down 6.039 to the nearest 0.1.
6.1
6
6.0
7
45s
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• Q4
Which of the following are continuous data?
The marks obtained by each student in a test
The number of questions answered correctly by each student in a test
The time taken by each student to finish a test
The number of students passing a test in each class
45s
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• Q5

Find the area of the pentagon ABCDE in the figure.

200 cm2

100 cm2

400 cm2

300 cm2

120s
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• Q6

Find the volume of the right prism in the figure.

2 640 cm3

510 cm3

660 cm3

492 cm3

120s
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• Q7

The figures how a paper box in the shape of a cuboid. It is formed by folding a piece of cardboard and each cm2 of the cardboard costs \$0.5. Find the cost of making the paper box. Type the answer.

Users enter free text
120s
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• Q8

In the figure, the y-coordinate of point P is

2.

-2.

3.

-3.

30s
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• Q9

In the figure, a horizontal line  passes through S(-4 , 6) and cuts the y-axis at N. Find the coordinates of N.

(6 , 0)

(0 , 6)

(-4 , 0)

(0 , -4)

60s
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• Q10

Find the perimeter of rectangle ABCD in the figure.

14 units

18 units

38 units

28 units

60s
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• Q11

If a point (-5 , -1) is rotated anticlockwise about the origin O through 270°, then the coordinates of its image are

(1 , 5).

(5 , -1).

(5 , 1).

(-1 , 5).

60s
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• Q12
60s
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• Q13

Find y. Just type the number.

Users enter free text
60s
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• Q14

In the figure, AOC and BOE are straight lines. Find x.

44°

64°

50°

70°

60s
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• Q15

In the figure, PBCQ is a straight line. Find x.

70°

60°

75°

65°

60s
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• Q16

In the figure, △ABC ~ △EDF. Find x.

40°

60°

80°

None of the above

45s
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• Q17

In the figure, △ABC ~ △EDF. Find y.

18

12

20

45

60s
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• Q18

Which of the following must be true?

DEF ~ △RPQ (AAA)

DEF ~ △RPQ (ASA)

DEF $\cong$RPQ (RHS)

DEF  $\cong$RPQ (ASA)

120s
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• Q19

It is known that Ken saves all the remaining income each month. Find his savings in April.

\$13 000

\$6 000

\$3 000

\$22 000

120s
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• Q20

Find the largest datum in the following stem-and-leaf diagram.

5.2

52

4.9

5

30s
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