J 2
7.
In the diagram, lines P T , QU, RV and SW intersect at O.
6
QOR = 20
◦
,
6
SOT = 50
◦
and
6
V OW = 70
◦
. The size of
6
P OQ is
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U
W
P
Q
S
T
R
V
O
(A) 30
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(B) 40
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(C) 50
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(D) 60
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(E) 80
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8.
The value of 2
4
+ 4
2
is
(A) 16
(B) 32
(C) 34
(D) 36
(E) 64
9.
Warren reads 20 pages in 30 minutes. At this rate how long will it take him to
read 66 pages?
(A) 1 hr 34 min
(B) 1 hr 36 min
(C) 1 hr 37 min
(D) 1 hr 38 min
(E) 1 hr 39 min
10.
Each of the following 2-digit numbers has one digit covered. Which of the five
numbers is the only possible multiple of 12?
(A) 3
(B)
9
(C)
5
(D)
3
(E) 5
Questions 11 to 20, 4 marks each
11.
In the diagram, ABCD is a square. What
is the value of x?
(A) 142
(B) 128
(C) 48
(D) 104
(E) 52
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B
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12.
Billy counts backwards by 7, starting at 5907. When he reaches a single-digit
number, he stops counting. The number he stops at is
(A) 4
(B) 6
(C) 7
(D) 8
(E) 9
13.
The following tile is made from three unit squares.
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What is the area, in square units, of the smallest square which can be made from
tiles of this shape?
(A) 16
(B) 25
(C) 36
(D) 64
(E) 81
14.
Which of the following is closest to
0.333
0.222 × 0.111
?
(A) 0.01
(B) 0.1
(C) 1
(D) 10
(E) 100
15.
In the diagram, P T divides
6
RP Q in half and
SQ divides
6
P QR in half.
6
P RQ = 60
◦
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What is the size of
6
SU P ?
(A) 75
◦
(B) 60
◦
(C) 45
◦
(D) 40
◦
(E) 30
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16.
The numbers on the six faces of this cube are consecutive even numbers.
If the sums of the numbers on each of the three pairs of opposite faces are equal,
find the sum of all six numbers on this cube.
Questions 21 to 25, 5 marks each
21.
Each of thirty-four students wrote a story. All thirty-four stories were of different
lengths ranging from 1 to 34 pages. These were put into a single book where the
book starts at page 1, each new story begins on a new page and there are no blank
pages. What is the largest possible number of stories that start at an odd page
number of such a book?
(A) 8
(B) 9
(C) 17
(D) 26
(E) 33
22.
The six faces of a dice are numbered −3, −2, −1, 0, 1, 2. If the dice is rolled twice
and the two numbers are multiplied together, what is the probability that the
result is negative?
(A)
1
2
(B)
1
4
(C)
11
36
(D)
13
36
(E)
1
3
23.
A grocer packed 52 boxes of oranges each with the same number of oranges in it
and had 8 oranges left over. If he had packed 2 less oranges in each box, he would
have filled 60 boxes. How many oranges did he have?
(A) 540
(B) 480
(C) 840
(D) 720
(E) 900
24.
A square-based pyramid is built using cubical blocks, 1 on top, 4 on the next layer,
9 on the next, 16 on the next, and so on.
What is the minimum number of blocks needed if the pyramid is to be dismantled
and rebuilt into 2 separate cubes with no blocks left over?
(A) 55
(B) 91
(C) 140
(D) 204
(E) 285
25.
In 4P QR, U is the midpoint of RQ, P U = RU, P T bisects
6
RP Q and
6
RT P = 60
◦
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What is the size of
6
RU P ?
J 6
For questions 26 to 30, shade the answer as an integer from 0 to 999 in
the space provided on the answer sheet.
Question 26 is 6 marks, question 27 is 7 marks, question 28 is 8 marks,
question 29 is 9 marks and question 30 is 10 marks.
26.
The diagram shows the net of a cube. On each face there is an integer: 1, 2011,
1207, x, y and z.
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x
y
2011
z
1207
1
If each of the numbers 1207, x, y and z equals the average of the numbers written
on the four faces of the cube adjacent to it, find the value of x.
27.
An arrangement of numbers has different differences when the differences between
neighbours are all different. For example, the numbers
1 4 2 3
have differences 3, 2 and 1 − all different.
If the numbers from 1 to 6 are arranged with different differences, and with 3 in
the third position,
3
what are the last three digits?
28.
Which two-digit number is equal to the sum of its first digit plus the square of its
second digit?
29.
The first digit of a six-digit number is 1. This digit 1 is now moved from the first
digit position to the end, so it becomes the last digit. The new six-digit number is
now 3 times larger than the original number. What are the last three digits of the
original number?
30.
Joe the handyman was employed to fix house numbers onto the doors of 80 new
houses in a row. He screwed digits on their front doors, numbering them from 1
to 80. Then he noticed that there were houses already numbered 1 to 64 in the
street, so he had to replace all the numbers with new ones, 65 to 144. If he re-used
as many digits as possible (where he could use an upside down 6 as a 9 and vice
versa), how many new digits must he have supplied?