math-eval/TAL-SCQ5K huggingface dataset:
Problem: To the number $$209$$, we add $$212$$. Then we multiply the result by $$29$$, and then we add $$208$$. Then the final result will be same as the result of the computation: (Adapted from 2012 Math Kangaroo Problem, Level 5 - 6, Question \#7) 
Options:
aoVal: A
content: $$209+212\times 29+208$$ 
aoVal: B
content: $$(209+212\times 29)+208$$ 
aoVal: C
content: $$(209+212)\times 29+208$$ 
aoVal: D
content: $$(209+212)\times (29+208)$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Mixed Operations
Problem: Four sports cars travel $$4$$ kilometres in $$1$$ minutes. How long does it take for one sports car to travel $$4$$ kilometres? 
Options:
aoVal: A
content: $$1$$ minute 
aoVal: B
content: $$2$$ minutes 
aoVal: C
content: $$3$$ minutes 
aoVal: D
content: $$4$$ minutes 
aoVal: E
content: $$5$$ minutes 
Answer: A
Analysis: $$N.A$$ 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions
Source: 其它
Problem: Which of the following statement about $$0$$ is true? 
Options:
aoVal: A
content: $$0$$ is positive 
aoVal: B
content: $$0$$ is negative 
aoVal: C
content: $$0$$ is neither positive nor negative 
aoVal: D
content: Do not know 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Negative Numbers
Problem: A large city newspaper periodically reports the mean cost of dinner for two people at restaurants in the city. The newspaper staff will collect data from a random sample of restaurants in the city and estimate the mean price using a 90 percent confidence interval. In past years, the standard deviation has always been very close to $\textbackslash$$35. Assuming that the population standard deviation is $\textbackslash$$35, which of the following is the minimum sample size needed to obtain a margin of error of no more than $\textbackslash$$5? 
Options:
aoVal: A
content: $$90$$ 
aoVal: B
content: $$112$$ 
aoVal: C
content: $$133$$ 
aoVal: D
content: $$147$$ 
aoVal: E
content: $$195$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Jim and his eight friends are going to share six pizzas equally between them．  What fraction of a whole pizza should each of them have? 
Options:
aoVal: A
content: $$\frac{9}{6}$$ 
aoVal: B
content: $$\frac{3}{4}$$ 
aoVal: C
content: $$\frac{7}{8}$$ 
aoVal: D
content: $$\frac{1}{9}$$ 
aoVal: E
content: $$\frac{2}{3}$$ 
Answer: E
Analysis: N/A.　 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Fractions->Basic Understanding of Fractions->The Meaning of Fractions
Problem: A simple pendulum consists of sphere tied to the~end of a string of negligible mass. The sphere is~pulled back until the string is horizontal and then~released from rest. Assume gravitational potential~energy is zero when the sphere is at its lowest~point. What angle will the string make with the horizontal when the kinetic energy and the~potential energy of the sphere-Earth system is equal? 
Options:
aoVal: A
content: Greater than 45° 
aoVal: B
content: Equal to 45°~ 
aoVal: C
content: Less than 45° 
aoVal: D
content: It cannot be determined without knowing the mass of the sphere. 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables
Source: 其它
Problem: A male homozygous dominant for polydactyly and a female without polydactyly have offspring. What is the predicted phenotype ratio (polydactyly : not polydactyly) of their offspring? 
Options:
aoVal: A
content: 0 : 1 
aoVal: B
content: 1 : 0 
aoVal: C
content: 1 : 1 
aoVal: D
content: 3 : 1 
aoVal: E
content: 1 : 3 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Pip divides 612 by 7. What remainder should he get? 
Options:
aoVal: A
content: $$1$$ 
aoVal: B
content: $$2$$ 
aoVal: C
content: $$3$$ 
aoVal: D
content: $$5$$ 
aoVal: E
content: $$6$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division->Division of Whole Numbers->Division out of the Multiplication Table
Source: 其它
Problem: $$5\times6=$$．  ★★~ ~ ~~ ~ ★★~ ~ ~~ ~ ★★~ ~ ~~ ~ ★★~ ~~ ~ ~~ ~ ★★  ★★~ ~ ~~ ~ ★★~ ~ ~~ ~ ★★~ ~ ~~ ~ ★★~ ~~ ~ ~~ ~ ★★  ★★~ ~ ~~ ~ ★★~ ~ ~~ ~ ★★~ ~ ~~ ~ ★★~ ~~ ~ ~~ ~ ★★ 
Options:
aoVal: A
content: $$5+6$$ 
aoVal: B
content: $$5+5+5+5+5$$ 
aoVal: C
content: $$5$$ groups of $$6$$ 
aoVal: D
content: $$5$$ groups of $$2$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division
Problem: What is the value of the expression~$\dfrac{1\cdot2\cdot3\cdot4\cdot5\cdot6\cdot7\cdot8}{1+2+3+4+5+6+7+8}$? 
Options:
aoVal: A
content: $$1020$$ 
aoVal: B
content: $$1120$$ 
aoVal: C
content: $$1220$$ 
aoVal: D
content: $$2240$$ 
aoVal: E
content: $$3360$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables->Arithmetic Sequences
Source: 其它
Problem: There are 40 students in the class, and the number of boys is $$ \frac{5}{8} $$of the total number of students in the class. How many boys are there ? 
Options:
aoVal: A
content: $$24$$ 
aoVal: B
content: $$25$$ 
aoVal: C
content: $$40$$ 
aoVal: D
content: $$64$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Fractions
Source: 其它
Problem: Which of these is closest to $$9$$? 
Options:
aoVal: A
content: $$9.09 $$ 
aoVal: B
content: $$ 8.91 $$ 
aoVal: C
content: $$9.101 $$ 
aoVal: D
content: $$8.7 $$ 
aoVal: E
content: $$9.085$$ 
Answer: E
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Comparing, Ordering and Estimating->Comparing and Ordering
Problem: Ming bought $$3$$ identical files and $$3$$ identical notebooks from a bookshop.  The $$3$$ identical notebooks cost as much as $$1$$ file. She paid ＄$$24$$ altogether.  How much did each file cost? 
Options:
aoVal: A
content: ＄$$4$$ 
aoVal: B
content: ＄$$2$$ 
aoVal: C
content: ＄$$6$$ 
aoVal: D
content: ＄$$8$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas In-curriculum->Knowledge Point->Algebra-> Numbers, Letters and Equations->Equivalent Substitution->Conversion and Substitution
Overseas Competition->Knowledge Point->Calculation Modules->Fractions
Problem: Which fraction is equivalent to $$\frac{24}{32}$$? 
Options:
aoVal: A
content: $$\frac6{8}$$ 
aoVal: B
content: $$\frac{1}{8}$$ 
aoVal: C
content: $$\frac43$$ 
aoVal: D
content: $$\frac46$$ 
aoVal: E
content: $$\frac34$$ 
Answer: E
Analysis: N/A． 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Fractions->Basic Understanding of Fractions->Properties of Fractions
Problem: What is the sum of the first $20$ digits in the decimal part of $0.\dot{1}\dot{2}$? 
Options:
aoVal: A
content: $$20$$ 
aoVal: B
content: $$30$$ 
aoVal: C
content: $$40$$ 
aoVal: D
content: $$60$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Recurring Decimals
Source: 其它
Problem: Harry has $11$ dollars. He is going to buy $3$ footballs which cost $1.5$ dollars each and a certain number of~ basketballs which cost $2.5$ dollars each. How many basketballs at most can he buy? 
Options:
aoVal: A
content: $$1$$ 
aoVal: B
content: $$2$$ 
aoVal: C
content: $$3$$ 
aoVal: D
content: $$4$$ 
aoVal: E
content: $$5$$ 
Answer: B
Analysis: N/A 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: An object is dropped from a height of 50 meters. What is its velocity just before it hits the ground? Pick the closest answer and assume no air resistance. 
Options:
aoVal: A
content: 0 m/s 
aoVal: B
content: 10 m/s 
aoVal: C
content: 20 m/s 
aoVal: D
content: 30 m/s 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Which choice is correct:  $$12:15=$$~\uline{~~~~~~~~~~}~，$$96:72=$$~\uline{~~~~~~~~~~}~． 
Options:
aoVal: A
content: $$4:5$$，$$3:4$$ 
aoVal: B
content: $$4:5$$，$$16:9$$ 
aoVal: C
content: $$4:5$$，$$4:3$$ 
aoVal: D
content: $$3:5$$，$$4:3$$ 
Answer: C
Analysis: N/A 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions
Problem: Which of the following will increase the demand for burgers, a normal good? 
Options:
aoVal: A
content: An increase in consumers\textquotesingle{} income 
aoVal: B
content: A decrease in the price of burgers 
aoVal: C
content: An increase in the cost of beef used in producing burgers 
aoVal: D
content: An increase in the number of restaurants selling burgers 
aoVal: E
content: An increase in the price of a complementary product 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Kate has $24$ apples, $12$ pears, and $8$ roses. She divides all the fruits equally among $4$ kids. How many fruits does each kid get? 
Options:
aoVal: A
content: $$3$$ 
aoVal: B
content: $$9$$ 
aoVal: C
content: $$6$$ 
aoVal: D
content: $$5$$ 
aoVal: E
content: $$11$$ 
Answer: B
Analysis: N/A 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division
Source: 其它
Problem: The total surface area of a cube is $96\rm cm^{2}$. What is the volume of the cube? 
Options:
aoVal: A
content: $125\rm cm^{3}$ 
aoVal: B
content: $343\rm cm^{3}$ 
aoVal: C
content: $64\rm cm^{3}$ 
aoVal: D
content: $$27\rm cm^{3}$$ 
aoVal: E
content: $216\rm cm^{3}$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: What is the predicted phenotype ratio of their offspring (red : both blue and red : blue)?~ 
Options:
aoVal: A
content: 0 : 1 : 1 
aoVal: B
content: 0 : 1 : 0 
aoVal: C
content: 0 : 0 : 1 
aoVal: D
content: 1 : 0 : 0 
aoVal: E
content: 1 : 1 : 1 
aoVal: F
content: 1 : 1 : 0 
aoVal: G
content: 1 : 0 : 1 
aoVal: H
content: 1 : 2 : 1 
aoVal: I
content: 2 : 1 : 1~ 
aoVal: J
content: 1 : 1 : 2 
Answer: F
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: William got $75\textbackslash\%$ in a maths test.  His mark was $105$.  What is the full mark of the maths test? 
Options:
aoVal: A
content: $$140$$ 
aoVal: B
content: $$130$$ 
aoVal: C
content: $$120$$ 
aoVal: D
content: $$125$$ 
aoVal: E
content: $$150$$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: After simplying the following expressions, which one is different from others? 
Options:
aoVal: A
content: $(x+y)-(x-y)$ 
aoVal: B
content: $(2x+3y)+(-2x-y)$ 
aoVal: C
content: $$$$\frac{8y}{4}$ 
aoVal: D
content: $(x-y)+(-x+y)$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Algebraic Expressions
Problem: The Koala ate some leaves from 3 branches. Each branch had 20 leaves. The Koala ate a few leaves from the first branch and then ate as many leaves from the second branch as were left on the first branch. Then it ate 2 leaves from the third branch. How many leaves in total were left on the 3 branches? (2021 Math Kangaroo Problem, Level 3-4, Question \#14) 
Options:
aoVal: A
content: $$20$$ 
aoVal: B
content: $$22$$ 
aoVal: C
content: $$28$$ 
aoVal: D
content: $$32$$ 
aoVal: E
content: $$38$$ 
Answer: E
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: For number $$250$$, what is its factor form and exponential form? 
Options:
aoVal: A
content: Factor form: $$2\times 2\times 5\times 5$$; Exponential form: $$2\times 5^{2}$$ 
aoVal: B
content: Factor form: $$2\times 2\times 5\times 5$$; Exponential form: $$2^{2}\times 5^{2}$$ 
aoVal: C
content: Factor form: $$2\times 5\times 5\times 5$$; Exponential form: $$2\times 5^{3}$$ 
aoVal: D
content: Factor form: $$2\times 5\times 5\times 5$$; Exponential form: $$2^{2}\times 5^{2}$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Power->Computing Powers->Exponentiation of Powers
Source: 其它
Problem: Carlos was just able to perceive a difference in weight when Maria removed two of the  50 jelly beans from his plastic bag. It is most likely that if Carlos had the jumbo bag of 100  jelly beans, the smallest number of jelly beans he could notice removed would be 
Options:
aoVal: A
content: $$2$$ 
aoVal: B
content: $$4$$ 
aoVal: C
content: $$8$$ 
aoVal: D
content: $$10$$ 
aoVal: E
content: $$16$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: $47 + 26 =$ 
Options:
aoVal: A
content: $$613$$ 
aoVal: B
content: $$63$$ 
aoVal: C
content: $$73$$ 
aoVal: D
content: $$72$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Addition and Subtraction ->Addition of Whole Numbers->Addition in Horizontal Form
Problem: $(−5) − (−11) =$ 
Options:
aoVal: A
content: $$-16$$ 
aoVal: B
content: $$-6$$ 
aoVal: C
content: $$6$$ 
aoVal: D
content: $$16$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Negative Numbers->Operations on Negative numbers
Problem: Given that $\frac{6^{}x}{4^{}x}=\frac{3}{2}$, what is the value of $x$ ?  $\textasciitilde$ 
Options:
aoVal: A
content: $$-1$$ 
aoVal: B
content: $$\frac{1}{2}$$ 
aoVal: C
content: $$1$$ 
aoVal: D
content: $$2$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: $(3)\textbackslash{} 0.5\times0.3=$ 
Options:
aoVal: A
content: $$15$$ 
aoVal: B
content: $$150$$ 
aoVal: C
content: $$1.5$$ 
aoVal: D
content: $$0.15$$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Multiplication and Division of Decimals
Source: 其它
Problem: The distribution of weights of female college cross-country runners is approximately normal with mean 122 pounds and standard deviation 8 pounds. Which of the following is closest to the percent of the runners who weigh between 1 14 pounds and 138 pounds? 
Options:
aoVal: A
content: 18\% 
aoVal: B
content: 32\% 
aoVal: C
content: 68\% 
aoVal: D
content: 82\% 
aoVal: E
content: 95\% 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: The number of books in a library increased by 30\% from 2002 to 2014. There were x books in the library in 2002. Which expression represents the number of books in the library in 2014 in terms of x? 
Options:
aoVal: A
content: $130x$ 
aoVal: B
content: $30x$ 
aoVal: C
content: $1.3x$ 
aoVal: D
content: $0.3x$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: An arrow is shot from the roof of a building 30 meters high at 5 m/s and at an angle of 45 degrees. How fast will the arrow be going when it hits the ground? 
Options:
aoVal: A
content: I have submitted my answer in the google form. 
aoVal: B
content: I haven\textquotesingle t submitted. 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Brian and Charles had some stickers. At first, the number of stickers Brian had was $$\frac{4}{7}$$ of the total number of stickers. Then, Brian sold $$\frac{3}{8}$$ of his stickers. Find the ratio of the number of stickers Brian had at the end to the number of stickers Charles had at the end. 
Options:
aoVal: A
content: $$1:3$$ 
aoVal: B
content: $$1:7$$ 
aoVal: C
content: $$5:6$$ 
aoVal: D
content: $$5:14$$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions
Source: 其它
Problem: Express $$0.05$$ as a fraction in its simplest form. 
Options:
aoVal: A
content: $$\frac{1}{2}$$ 
aoVal: B
content: $$\frac{1}{5}$$ 
aoVal: C
content: $$\frac{1}{20}$$ 
aoVal: D
content: $$\frac{1}{50}$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Basic Understanding of Decimals
Problem: At Frank\textquotesingle s Fruit Market, $$3$$ bananas cost as much as $$1$$ apple, and $$6$$ apples cost as much as $$4$$ oranges. How many oranges cost as much as $$18$$ bananas? 
Options:
aoVal: A
content: $$6$$ 
aoVal: B
content: $$4$$ 
aoVal: C
content: $$9$$ 
aoVal: D
content: $$12$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Algebraic Expressions
Problem: 13. For a sample of 42 rabbits, the mean weight is 5 pounds and the standard deviation of weights is 3 pounds. Which of the following is most likely true about the weights for the rabbits in this sample? 
Options:
aoVal: A
content: The distribution of weights is approximately normal because the sample size is 42, and therefore the central limit theorem applies. 
aoVal: B
content: The distribution of weights is approximately normal because the standard deviation is less than the mean. 
aoVal: C
content: The distribution of weights is skewed to the right because the least possible weight is within 2 standard deviations of the mean. 
aoVal: D
content: The distribution of weights is skewed to the left because the least possible weight is within 2 standard deviations of the mean. 
aoVal: E
content: The distribution of weights has a median that is greater than the mean. 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: We can represent atoms by listing the number of protons, neutrons, and electrons---for example, 2p\textsuperscript{+}, 2n\textsuperscript{0} , 2e\textsuperscript{-} for helium. Which of the following represents the \textsuperscript{18}O isotope of oxygen, given oxygen has an atomic number of 8? 
Options:
aoVal: A
content: 7p\textsuperscript{+}, 2n\textsuperscript{0} , 9e\textsuperscript{-} 
aoVal: B
content: 8p\textsuperscript{+}, 10n\textsuperscript{0} , 8e\textsuperscript{-} 
aoVal: C
content: 9p\textsuperscript{+}, 9n\textsuperscript{0} , 9e\textsuperscript{-} 
aoVal: D
content: 10p\textsuperscript{+}, 8n\textsuperscript{0} , 9e\textsuperscript{-} 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Which of the following algebraic expressions is written correctly? 
Options:
aoVal: A
content: $2\dfrac{1}{3}abc$ 
aoVal: B
content: $ay\cdot3$ 
aoVal: C
content: $\dfrac{ab}{4}$ 
aoVal: D
content: $a\times b+c$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Algebraic Expressions
Source: 其它
Problem: A ball with a mass of 0.15 kg has a velocity of 5 m/s. It strikes a wall perpendicularly and bounces off straight back with a velocity of 3 m/s. The ball underwent a change in momentum equal to 
Options:
aoVal: A
content: 0.30 kg·m/s 
aoVal: B
content: 1.20 kg·m/s 
aoVal: C
content: 0.15 kg·m/s 
aoVal: D
content: 5 kg·m/s 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: What is the value of this expression: $$2\times0\times0\times6+2006$$? 
Options:
aoVal: A
content: $$0$$ 
aoVal: B
content: $$2006$$ 
aoVal: C
content: $$2014$$ 
aoVal: D
content: $$2018$$ 
aoVal: E
content: $$4012$$ 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Mixed Operations
Problem: A police officer is using a radar device to check motorists\textquotesingle{} speeds. Prior to beginning the speed check, the officer estimates that 40 percent of motorists will be driving more than 5 miles per hour over the speed limit. Assuming that the police officer\textquotesingle s estimate is correct, what is the probability that among 4 randomly selected motorists, the officer will find at least 1 motorist driving more than 5 miles per hour over the speed limit? 
Options:
aoVal: A
content: $$0.0256$$ 
aoVal: B
content: $$0.1296$$ 
aoVal: C
content: $$0.3456$$ 
aoVal: D
content: $$0.8704$$ 
aoVal: E
content: $$0.9744$$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables
Source: 其它
Problem: A furlong is $220$ yards and a mile is $1760$ yards. How many miles are 12 furlongs? 
Options:
aoVal: A
content: $$100$$ 
aoVal: B
content: $$96$$ 
aoVal: C
content: $$1\frac23$$ 
aoVal: D
content: $$1.5$$ 
aoVal: E
content: $$2$$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion->Converting between Units of Length
Source: 其它
Problem: If a geometric sequence $$\textbackslash{a\_n\textbackslash}$$ $$n\geqslant1$$ satisfies the condition $$a\_{2003}\textless a\_{2002}\textless a\_{2004}$$ then:　 
Options:
aoVal: A
content: $$a\_{2003}\cdot a\_{2004}\textgreater0$$ 
aoVal: B
content: $$a\_{2002}\cdot a\_{2003}\textless0$$ 
aoVal: C
content: $$a\_{2002}\cdot a\_{2004}\textless0$$ 
aoVal: D
content: $$a\_{2002}\cdot a\_{2003}\textgreater0$$ 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables->Geometric Sequences->Whole-number Geometric Sequences
Problem: Teacher Peter writes a long expression $10-9+8-7+6-5+4-3+2-1$. Four kids rewrite the expression in another way. Who is correct? 
Options:
aoVal: A
content: Ben: $10+9+8+7+6-5-4-3-2-1$ 
aoVal: B
content: Bill: $1-2+3-4+5-6+7-8+9-10$ 
aoVal: C
content: Julie: $2+4+6+8+10-1-3-5-7-9$ 
aoVal: D
content: Judy: $1+3+5+7+9-2-4-6-8-10$ 
aoVal: E
content: None of them is correct. 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Mixed Operations
Source: 其它
Problem: How many millimetres are there in a metre? 
Options:
aoVal: A
content: $$0.001$$ 
aoVal: B
content: $$0.01$$ 
aoVal: C
content: $$10$$ 
aoVal: D
content: $$100$$ 
aoVal: E
content: $$1000$$ 
Answer: E
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion->Converting between Units of Length
Problem: Which of the following is equivalent to $16^{}\frac{3}{4}$ ?  $\textasciitilde$ 
Options:
aoVal: A
content: $$64$$ 
aoVal: B
content: $$32$$ 
aoVal: C
content: $$16$$ 
aoVal: D
content: $$8$$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Sam travelled $$\rm 2400 m$$ from his home to the school.  Which of the following is equal to this distance? 
Options:
aoVal: A
content: $$\rm 2km$$ $$4 m$$ 
aoVal: B
content: $$\rm 2km$$ $$40 m$$ 
aoVal: C
content: $$\rm 2km$$ $$400 m$$ 
aoVal: D
content: $$\rm 20km$$ $$40 m$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion
Overseas In-curriculum->Knowledge Point->Measurement->Length->Knowing International Length Units->Conversion of Length Units
Problem: Calculate the approximate size of the DWL in this market due to the monopoly 
Options:
aoVal: A
content: $15 
aoVal: B
content: $3 
aoVal: C
content: $1.5 
aoVal: D
content: $9 
aoVal: E
content: Not enough information 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation
Source: 其它
Problem: What is nine million, ninety thousand and nineteen in numeral? 
Options:
aoVal: A
content: $$9009019$$ 
aoVal: B
content: $$9090090$$ 
aoVal: C
content: $$9090019$$ 
aoVal: D
content: $$9900090$$ 
aoVal: E
content: $$9009090$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas In-curriculum->Knowledge Point->Knowing Numbers->Whole Numbers->Knowing Numbers Beyond 10000->Reading and Writing Large Numbers 
Overseas Competition->Knowledge Point->Calculation Modules