Scoring:There is no penalty for an incorrect answer.
Each unanswered question is worth2,to a maximum of10unanswered questions.
Part A:Each correct answer is worth5.
1.What number should be subtracted from21to give8?
(A)12(B)13(C)14(D)15(E)16
2.In the diagram,the pie chart shows the results of a
survey asking students to choo their favourite fruit.
100students were surveyed.How many students cho banana?
(A)40(B)80(C)100
(D)20(E)60
Banana
20%
Apple
40% Orange
40%
3.A class begins and ends the same day.In minutes,what美丽如斯
is the length of the class?
(A)15(B)25(C)35(D)45(E)75
悬棺葬4.A square has an area of144cm2.The side length of the square is
(A)288cm(B)72cm(C)48cm(D)12cm(E)36cm
5.If there is no tax,which of the following costs more than$18to purcha?
(A)Five$1items andfive$2items
(B)Nine$1items and four$2items
反复发烧怎么办(C)Nine$1items andfive$2items
(D)Two$1items and six$2items
(E)Sixteen$1items and no$2items
6.Which of the following numbers lies between3and4on a number line?
(A)5
2(B)11
4
那个她
(C)11
5
(D)13
4
(E)13
5
7.An envelope contains2sunflower eds,3green bean eds,and4pumpkin eds.
Carrie randomly choos one of the eds from the envelope.What is the probability that Carrie choos a sunflower ed?
(A)2
9(B)5
9
(C)9
7
(D)7
9
(E)1
9
8.If x=4and y=3x,the value of y is
(A)12(B)24(C)7(D)81(E)4
9.The measure of one angle of an isosceles triangle is50◦.The measures of the other
angles in this triangle could be
(A)50◦and90◦(B)40◦and50◦(C)50◦and80◦
(D)30◦and100◦(E)60◦and70◦
10.The26letters of the alphabet are written in order,clockwi around a circle.The
ciphertext of a message is created by replacing each letter of the message by the letter that is4letter
s clockwi from the original letter.(This is called a Caesar cipher.) For example,the message ZAP has ciphertext DET.What is the ciphertext of the message W IN?
(A)ALN(B)ZLN(C)AMR(D)AMQ(E)ZMQ
Part B:Each correct answer is worth6.
11.A cube has exactly six faces and twelve edges.How many vertices does a cube have?
(A)4(B)5(C)6(D)7(E)8
12.What is the surface area of a1cm by2cm by2cm
rectangular prism?
(A)10cm2(B)20cm2(C)12cm2
(D)24cm2(E)16cm2 2 cm 2 cm
1 cm
13.At a factory,11410kg of rice is distributed equally into3260bags.A family us
0.25kg of rice each day.How many days would it take this family to u up one bag
of rice?
(A)9(B)12(C)13(D)14(E)15
14.Dalia’s birthday is on a Wednesday and Bruce’s birthday is60days after Dalia’s.On
what day of the week is Bruce’s birthday?
(A)Monday(B)Tuesday(C)Friday(D)Saturday(E)Sunday
15.Karl has30birds.Some of his birds are emus and the rest are chickens.Karl hands
out100treats to his birds.Each emu gets2treats and each chicken gets4treats.
How many chickens does Karl have?
(A)10(B)15(C)25(D)20(E)6
16.The integers1to32are spaced evenly and in order around the outside of a circle.
关爱他人作文
Straight lines that pass through the centre of the circle join the numbers in pairs.
Which number is paired with12?
遇人不淑是什么意思
(A)28(B)27(C)23(D)21(E)29
17.In the diagram,the area of the shaded middle ring is6
times the area of the smallest circle.The area of the
unshaded outer ring is12times the area of the smallest
circle.What fraction of the area of the largest circle is
the area of the smallest circle?
(A)1
3(B)1
6
(C)1
12
(D)1
18(E)1
19
18.There are veral groups of six integers who product is1.Which of the following
cannot be the sum of such a group of six integers?
(A)−6(B)−2(C)0(D)2(E)6
19.The heights of4athletes on a team are135cm,160cm,170cm,and175cm.
Laurissa joins the team.On the new team of5athletes,the mode height of the players is equal to the median height which is equal to the mean(average)height.
How tall is Laurissa?
(A)135cm(B)160cm(C)170cm(D)175cm(E)148cm
20.In the diagram, P QR is isosceles with P Q =P R .
What is the value of x ?
(A)110标准近义词
(B)90(C)95(D)100(E)105P Q R
95°x °120°
Part C:Each correct answer is worth 8.
21.The figure consists of 8identical small parallelograms,
joined as shown.Including the 8small parallelograms,
how many parallelograms appear in this figure?
(A)29
(B)30(C)26
(D)27(E)2822.In a jar,there are 50coins with a total value of $5.00.The coins are quarters (worth
$0.25each),dimes (worth $0.10each),and nickels (worth $0.05each).The number of nickels in the jar is three times the number of quarters.The number of dimes is one more than the number of nickels.How many quarters are in the jar?
(A)7(B)6(C)5(D)9(E)8
23.The digits from 1to 9are written in order so that the digit n is written n times.This
forms the block of digits 1223334444···999999999.The block is written 100times.What is the 1953rd digit written?
(A)4(B)5(C)6(D)7(E)8
24.The number 2018is ud to create six-digit positive integers.The six-digit integers
must contain the digits 2018together and in this order.For example,720186is allowed,but 209318and 210893are not.How many of the six-digit integers are divisible by 9?
(A)28(B)27(C)31(D)34(E)22
25.In the triangle,each of the numbers 1,2,3,4,5,6,7,8is
placed into a different circle.The sums of the numbers
悲伤的背景音乐
on each of the three sides of the triangle are equal to the
same number,S .The sum of all of the different possible
values of S is
(A)85
(B)
99(C)66(D)81(E)67
