math-eval/TAL-SCQ5K huggingface dataset:
Problem: A rocket stays initially at rest. After ignition, rocket has a constant upward acceleration of 90 m/s², and reaches a final velocity of 5400 m/s. How long does the rocket take to reach to this final velocity?  $\textasciitilde$  $\textasciitilde$  $\textasciitilde$ 
Options:
aoVal: A
content: $$1s$$ 
aoVal: B
content: $$2.25s$$ 
aoVal: C
content: $$60s$$ 
aoVal: D
content: $$120s$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion
Source: 其它
Problem: The ones digit in the number $${{1997}^{1998}}+{{1998}^{2000}}+{{2000}^{2001}}$$ is． 
Options:
aoVal: A
content: $$0$$ 
aoVal: B
content: $$2$$ 
aoVal: C
content: $$3$$ 
aoVal: D
content: $$4$$ 
aoVal: E
content: $$5$$ 
Answer: E
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Power->Computing Powers->Exponentiation of Powers
Problem: Quinn\textquotesingle s Cupcake shop has a price elasticity of supply of 3.75.  Which of the following statements is the correct interpretation of this price elasticity of supply? 
Options:
aoVal: A
content: For every 1\% increase in price, Quinn will be willing to sell 3.75 more cupcakes 
aoVal: B
content: For every $3.75 increase in price, Quinn will be willing to sell 1\% more cupcakes 
aoVal: C
content: For every $3.75 increase in price, Quinn will be willing to sell 1 more cupcake 
aoVal: D
content: For every 1\% increase in price, Quinn will be willing to sell 3.75\% more cupcakes 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation
Source: 其它
Problem: The total cost of $$4$$ rulers is the same as the total cost of $$2$$ rulers and $$6$$ pencils.  How many pencils cost the same as $$ 5$$ rulers? 
Options:
aoVal: A
content: $$10$$ 
aoVal: B
content: $$15$$ 
aoVal: C
content: $$20$$ 
aoVal: D
content: $$25$$ 
aoVal: E
content: $$30$$ 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Addition and Subtraction of Equations
Problem: What is the opposite sign of \textbf{\textquotesingle~$\times$ \textquotesingle{}}? 
Options:
aoVal: A
content: $$+$$ 
aoVal: B
content: $$-$$ 
aoVal: C
content: $$\times $$ 
aoVal: D
content: $$\div $$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: The combustion of glucose releases energy. The ratio of grams of glucose combusted to kilocalories of energy released is 12.0 to 45.0. How many grams of glucose must be combusted to provide 85.5 kilocalories of energy? 
Options:
aoVal: A
content: $$5.7$$ 
aoVal: B
content: $$9.9$$ 
aoVal: C
content: $$22.8$$ 
aoVal: D
content: $$320.6$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Count the amount of money shown by the coins below.  The total amount of money is． 
Options:
aoVal: A
content: $$1.90$ 
aoVal: B
content: $$1.95$ 
aoVal: C
content: $$2.00$ 
aoVal: D
content: $$2.05$ 
aoVal: E
content: $3.00 
Answer: D
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion->Converting between Units of Money
Overseas In-curriculum->Knowledge Point->Measurement->Money->U.S. Currency Units->Currency Conversion
Problem: Calculate:  $$10 - 6 + 20 - 16 + 30 - 26 + 40 - 36 + 50 - 46 + 60 - 56 + 70 - 66 + 2021$$ 
Options:
aoVal: A
content: $$28$$ 
aoVal: B
content: $$2054$$ 
aoVal: C
content: $$2045$$ 
aoVal: D
content: $$2049$$ 
aoVal: E
content: None of the above 
Answer: D
Analysis: $$N.A$$ 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Kelly has $$2$$ two-dollar notes. She exchanges the notes for $$20$$-cent coins. How many coins will she receive? 
Options:
aoVal: A
content: $$10$$ 
aoVal: B
content: $$15$$ 
aoVal: C
content: $$20$$ 
aoVal: D
content: $$25$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion->Converting between Units of Money
Overseas In-curriculum->Knowledge Point->Measurement->Money->Singapore Currency Units->Conversion of Cents and Dollars
Problem: How many solutions does the equation $\textbar x-3\textbar=-2$ have? 
Options:
aoVal: A
content: Zero 
aoVal: B
content: Exactly one 
aoVal: C
content: Exactly Two 
aoVal: D
content: More than two 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: The graph of $y=-3x-1$ does not pass through which quadrant? 
Options:
aoVal: A
content: Quadrant $I$ 
aoVal: B
content: Quadrant $II$ 
aoVal: C
content: Quadrant $III$ 
aoVal: D
content: Quadrant $IV$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation
Source: 其它
Problem: Peter bought $2$ watermelons, a banana and an apple, which cost a total of $20$ dollars. Joey bought a banana and $2$ apples, which cost $7$ dollars less than Peter. The unit price of watermelon is $3$ dollars higher than that of banana. How much is an apple? 
Options:
aoVal: A
content: $$3$$ dollars 
aoVal: B
content: $4$ dollars 
aoVal: C
content: $5$ dollars 
aoVal: D
content: $6$ dollars 
aoVal: E
content: $$7$$ dollars 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution
Source: 其它
Problem: Which digit in $$31.902$$ is in the tenths place? 
Options:
aoVal: A
content: $$1$$ 
aoVal: B
content: $$0$$ 
aoVal: C
content: $$3$$ 
aoVal: D
content: $$9$$ 
Answer: D
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Basic Understanding of Decimals
Problem: $m$~and~$n$~are reciprocals.~$\dfrac{3}{m}\div\dfrac{n}{5}=\textbackslash{} (\textbackslash{} \textbackslash{} \textbackslash{} \textbackslash{} ).$ 
Options:
aoVal: A
content: $$15$$ 
aoVal: B
content: $\dfrac{1}{3}$ 
aoVal: C
content: $\dfrac{1}{6}$ 
aoVal: D
content: $\dfrac{1}{15}$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Fractions->Operations of Fractions->Division of Fractions
Source: 其它
Problem: Which of the following correctly uses butterfly method to solve $\frac{x}{7}=\frac{3}{5}$? 
Options:
aoVal: A
content: $3x=7\times 5$ 
aoVal: B
content: $5x=7\times 3$ 
aoVal: C
content: $x+3=7+5$ 
aoVal: D
content: $x+5=7+3$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation
Source: 其它
Problem: When a 0.05-kg mass is attached to a vertical spring, it is observed that the spring stretches 0.03 m. The system is then placed horizontally on a frictionless surface and set into simple harmonic motion. What is the period of the oscillations? 
Options:
aoVal: A
content: $$0.75s$$ 
aoVal: B
content: $$0.12s$$ 
aoVal: C
content: $$0.35s$$ 
aoVal: D
content: $$1.3s$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: The next two numbers in the pattern $1, 1, 2, 3, 5,$ are $\cdots$ 
Options:
aoVal: A
content: $7$ \& $11$ 
aoVal: B
content: $8$ \& $12$ 
aoVal: C
content: $8$ \& $13$ 
aoVal: D
content: $3$ \& $2$ 
Answer: A
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables->Patterns in Number Sequences->The Fibonacci Sequences (Rabbit Sequences)
Problem: To obtain $$9^{9}$$, to which power does $$3^{3}$$ need to be raised? 
Options:
aoVal: A
content: $$2$$ 
aoVal: B
content: $$3$$ 
aoVal: C
content: $$6$$ 
aoVal: D
content: $$19$$ 
Answer: C
Analysis: N/A.　 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Power->Computing Powers->Exponentiation of Powers
Problem: If the equation $\sqrt{x+2}=a$ with respect to $x$ has no solution, which of the following is a possible value of the constant $a$?  $\textasciitilde$ 
Options:
aoVal: A
content: $$4$$ 
aoVal: B
content: $$2$$ 
aoVal: C
content: $$0$$ 
aoVal: D
content: $$-2$$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Which of the following is equal to $x^{}\frac{4}{3}$ for all values of $x$?  $\textasciitilde$ 
Options:
aoVal: A
content: $\sqrt{x^{}\frac{4}{3}}$ 
aoVal: B
content: $(x\sqrt[3]{x})^{4}$ 
aoVal: C
content: $x\sqrt{x}$ 
aoVal: D
content: $x\sqrt[3]{x}$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Which one of these is the smallest? 
Options:
aoVal: A
content: $\frac58$ 
aoVal: B
content: $65.2 \textbackslash\%$ 
aoVal: C
content: $$0.68$$ 
aoVal: D
content: $\frac45$ 
aoVal: E
content: $0.8^{2}$ 
Answer: A
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion->Converting between Units of Length
Problem: Which of these fractions expressions has the \textbf{smallest} value? 
Options:
aoVal: A
content: $$\frac{1}{6}+\frac{1}{3}$$ 
aoVal: B
content: $$\frac{1}{3}-\frac{1}{6}$$ 
aoVal: C
content: $$\frac{1}{3} \times \frac{1}{6}$$ 
aoVal: D
content: $$\frac{1}{3} \div \frac{1}{6}$$ 
aoVal: E
content: $$\frac{1}{6} \div \frac{1}{3}$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Fractions->Operations of Fractions->Division of Fractions
Problem: Fill in the blank with the correct number.  $1, 1, 2, 3, 5, 8,$~\uline{~~~~~~~~~~}~ 
Options:
aoVal: A
content: $$11$$ 
aoVal: B
content: $$12$$ 
aoVal: C
content: $$13$$ 
aoVal: D
content: $$14$$ 
aoVal: E
content: None of the above 
Answer: C
Analysis: $$N.A$$ 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables->Arithmetic Sequences
Source: 其它
Problem: Study the number pattern below. What is the missing number in the pattern?  $$1015$$, $$1025$$, $$1045$$, $$1075$$,~\uline{~~~~~~~~~~}~, $$1165$$ 
Options:
aoVal: A
content: $$1085$$ 
aoVal: B
content: $$1095$$ 
aoVal: C
content: $$1105$$ 
aoVal: D
content: $$1115$$ 
Answer: D
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables->Patterns in Number Sequences
Problem: What is the product of $$51$$ and $$706$$? 
Options:
aoVal: A
content: $$757$$ 
aoVal: B
content: $$4236$$ 
aoVal: C
content: $$36006$$ 
aoVal: D
content: $$36066$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division
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
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions->Ratio
Problem: A random sample of 50 students at a large high school resulted in a 95 percent confidence interval for the mean number of hours of sleep per day of (6.73, 7.67). Which of the following statements best summarizes the meaning of this confidence interval? 
Options:
aoVal: A
content: About 95\% of all random samples of 50 students from this population would result in a 95\% confidence interval of (6.73.7.67). 
aoVal: B
content: About 95\% of all random samples of 50 students from this population would result in a 95\% confidence interval that covered the population mean number of hours of sleep per day. 
aoVal: C
content: 95\% of the students in the survey reported sleeping between 6.73 and 7.67 hours per day. 
aoVal: D
content: 95\% of the students in this high school sleep between 6.73 and 7.67 hours per day. 
aoVal: E
content: A student selected at random from this population sleeps between 6.73 and 7.67 hours per day for 95\% of the time. 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Choose the answer to this calculation.  $$67.9-32.68$$ 
Options:
aoVal: A
content: $$35.32$$ 
aoVal: B
content: $$34.32$$ 
aoVal: C
content: $$34.22$$ 
aoVal: D
content: $$35.22$$ 
Answer: D
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Addition and Subtraction of Decimals
Problem: What is the product of~$37\times8$? 
Options:
aoVal: A
content: $$246$$ 
aoVal: B
content: $$296$$ 
aoVal: C
content: $$45$$ 
aoVal: D
content: $$255$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division
Source: 其它
Problem: Which of the following groups contains more equations?  Group 1: $y=1$ $\quad$ $x+1$  Group 2: $c + 1 = b$ $\quad$~ $c \textless{} 2$  Group 3: $z = x$ $\quad$~ $z = 1$ 
Options:
aoVal: A
content: Group 1 
aoVal: B
content: Group 2 
aoVal: C
content: Group 3 
aoVal: D
content: They all contain the same number of equations. 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation
Source: 其它
Problem: Which of the following is an equation? 
Options:
aoVal: A
content: $2023$ 
aoVal: B
content: $2023a+2022$ 
aoVal: C
content: $2023\textgreater2022$ 
aoVal: D
content: $2023y+z=2022$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Algebraic Expressions
Source: 其它
Problem: Paul draws a plan of his school using a scale of $$2\text{cm}$$ to $$5\text{m}$$.  The real length of the hall is $$15\text{m}$$ long.  What is the length of the hall on the plan? 
Options:
aoVal: A
content: $$15\text{cm}$$ 
aoVal: B
content: $$6\text{cm}$$ 
aoVal: C
content: $$18\text{cm}$$ 
aoVal: D
content: $$9\text{cm}$$ 
aoVal: E
content: $$12\text{cm}$$ 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions->Proportions->Scale
Problem: The product of $$23$$ and $$8$$ is ． 
Options:
aoVal: A
content: $$31$$ 
aoVal: B
content: $$164$$ 
aoVal: C
content: $$178$$ 
aoVal: D
content: $$184$$ 
Answer: D
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division->Multiplication and Division of Whole Numbers->Multiplication out of the Multiplication Table
Problem: There were $$9$$ pieces of paper. Some of them were cut into three pieces. As a result, there are now $$15$$ pieces of paper now. How many pieces of paper were cut? 
Options:
aoVal: A
content: $$2$$ 
aoVal: B
content: $$3$$ 
aoVal: C
content: $$4$$ 
aoVal: D
content: $$5$$ 
aoVal: E
content: $$6$$ 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Mixed Operations
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: $$(209+212)\times (29+\textasciitilde208)$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Mixed Operations
Problem: （1）45-6\times 7  （2）6+27\div 3  What should we do first? 
Options:
aoVal: A
content: +/- 
aoVal: B
content: \times /\div 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Mixed Operations
Source: 其它
Problem: One tour bus can seat no more than $$55$$ people. What is the smallest number of buses needed to take $$160$$ people? 
Options:
aoVal: A
content: $$1$$ 
aoVal: B
content: $$2$$ 
aoVal: C
content: $$3$$ 
aoVal: D
content: $$4$$ 
aoVal: E
content: $$5$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division->Division of Whole Numbers->Division with Remainders
Problem: Which of the following is an algebraic expression? 
Options:
aoVal: A
content: $$1$$ 
aoVal: B
content: $$\pi$$ 
aoVal: C
content: $$1+x$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Algebraic Expressions
Source: 其它
Problem: Stephen had $50$ balls, and Kevin had a certain number of balls. Then Kevin sold half of his balls. Finally the number of Kevin\textquotesingle s balls is $8$ less than that of Stephen\textquotesingle s balls. How many balls did Kevin have at first? 
Options:
aoVal: A
content: $$50$$ 
aoVal: B
content: $$42$$ 
aoVal: C
content: $$84$$ 
aoVal: D
content: $$92$$ 
aoVal: E
content: $$100$$ 
Answer: C
Analysis: N/A 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: There are $80$ children in a class.  There are $16$ more girls than boys.  What percentage of the class are boys? 
Options:
aoVal: A
content: $40\textbackslash\%$ 
aoVal: B
content: $20\textbackslash\%$ 
aoVal: C
content: $10\textbackslash\%$ 
aoVal: D
content: $16\textbackslash\%$ 
aoVal: E
content: $60\textbackslash\%$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: There are $15$ apples on each of $6$ trees. Five children want to pick some apples. Two of them each picks $13$ apples, and the others each picks $20$ apples. How many apples are left on the trees? 
Options:
aoVal: A
content: $$4$$ 
aoVal: B
content: $$6$$ 
aoVal: C
content: $$8$$ 
aoVal: D
content: $$12$$ 
aoVal: E
content: $$15$$ 
Answer: A
Analysis: N/A 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: l am a number. If you count by tens you will say my name. I am not ten. If you add me to 40, you will get a number less than 70. Who am I? 
Options:
aoVal: A
content: $$20$$ 
aoVal: B
content: $$30$$ 
aoVal: C
content: $$40$$ 
aoVal: D
content: $$50$$ 
aoVal: E
content: $$60$$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: To remove the parentheses, which one is correct? 
Options:
aoVal: A
content: $13\times(4+5)=13\times4+5$ 
aoVal: B
content: $(7+9)\times9=7+9\times9$ 
aoVal: C
content: $(24+5)-(12-7)=24+5-12-7$ 
aoVal: D
content: $49+(57-43)=49-57+43$ 
aoVal: E
content: $57-(25+24)=57-25-24$ 
Answer: E
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Mixed Operations
Source: 其它
Problem: There are $$16$$ pencils. Teacher try to divide these pencils into $$5$$ students equally. Assume $$x$$ represents the number of pencils each student can get. Which of the following inequalities can represent this situation? 
Options:
aoVal: A
content: $$5x\geqslant 16$$ 
aoVal: B
content: $$5x\leqslant 16$$ 
aoVal: C
content: $$5x = 16$$ 
aoVal: D
content: $$x\geqslant 16$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Inequalities
Source: 其它
Problem: If the elasticity of demand for college textbooks is -0.1, and the price of textbooks increases by 20\%, how much will the quantity demanded change, and in what direction? 
Options:
aoVal: A
content: The quantity demanded increases by 2\% 
aoVal: B
content: The quantity demanded decreases by 20\% 
aoVal: C
content: The quantity demanded decreases by 2\% 
aoVal: D
content: The quantity demanded remains the same 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation
Source: 其它
Problem: The weight of adult male grizzly bears living in the wild in the continental United States is approximately normally distributed with a mean of 500 pounds and a standard deviation of 50 pounds. The weight of adult female grizzly bears is approximately normally distributed with a mean of 300 pounds and a standard deviation of 40 pounds. Approximately, what would be the weight of female grizzly bear with the same standardized score (z-score) as a male grizzly bear with weight of 530 pounds? 
Options:
aoVal: A
content: 276~pounds~ 
aoVal: B
content: 324~pounds 
aoVal: C
content: 330 pounds 
aoVal: D
content: 340 pounds 
aoVal: E
content: 530 pounds 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: A commercial for a breakfast cereal is shown during a certain television program. The manufacturer of the cereal wants to estimate the percent of television viewers who watch the program. The manufacturer wants the estimate to have a margin of error of at most 0.02 at a level of 95 percent confidence. Of the following, which is the smallest sample size that will satisfy the manufacturer\textquotesingle s requirements? 
Options:
aoVal: A
content: $$40$$ 
aoVal: B
content: $$50$$ 
aoVal: C
content: $$100$$ 
aoVal: D
content: $$1.700$$ 
aoVal: E
content: $$2.500$$ 
Answer: E
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: The best way of writing $2\frac{1}{2}x$ is~\uline{~~~~~~~~~~}~. 
Options:
aoVal: A
content: $2\frac{1}{2}x$ 
aoVal: B
content: $\frac{2}{5}x$ 
aoVal: C
content: $\frac{5}{2}x$ 
aoVal: D
content: $2\frac{1}{2}$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Algebraic Expressions
Source: 其它
Problem: Determine the percent of seal offspring that would be predicted to have long whiskers from a cross between one seal homozygous dominant for whisker length and one seal homozygous recessive for whisker length. 
Options:
aoVal: A
content: 0\% 
aoVal: B
content: 25\% 
aoVal: C
content: 50\% 
aoVal: D
content: 75\% 
aoVal: E
content: 100\% 
Answer: E
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Choose the even number. 
Options:
aoVal: A
content: $$13$$ 
aoVal: B
content: $$7$$ 
aoVal: C
content: $$24$$ 
aoVal: D
content: $$35$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Is $10$ a digit? 
Options:
aoVal: A
content: No 
aoVal: B
content: Yes 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Calculation of Multi-digit Numbers
Source: 其它
Problem: Which of the following group has equivalent ratios? 
Options:
aoVal: A
content: $4$ to $3$, $\frac{0.4}{3}$ 
aoVal: B
content: $\frac{4}{3}$, $8$ to $9$ 
aoVal: C
content: $$\frac{4}{3}$$, $8:6$ 
aoVal: D
content: $4:3$, $\frac{2}{3}$ 
Answer: C
Analysis: N/A 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions
Source: 其它
Problem: Round 19.367 kilometres to the nearest 100 metres. 
Options:
aoVal: A
content: $$19.37$$km 
aoVal: B
content: $$19.4$$km 
aoVal: C
content: $$19.3$$km 
aoVal: D
content: $$19$$km 
aoVal: E
content: $$20$$km 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Comparing, Ordering and Estimating->Estimating Large Numbers
Problem: An engine maintains constant power on a conveyor belt machine. If the belt\textquotesingle s velocity is doubled, the magnitude of its average acceleration 
Options:
aoVal: A
content: is doubled 
aoVal: B
content: is quartered 
aoVal: C
content: is halved 
aoVal: D
content: is quadrupled 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: One box could contain $25$ strawberries. What is the smallest number of boxes needed to contain $110$ strawberries? 
Options:
aoVal: A
content: $$3$$ 
aoVal: B
content: $$4$$ 
aoVal: C
content: $$5$$ 
aoVal: D
content: $$6$$ 
aoVal: E
content: $$7$$ 
Answer: C
Analysis: N/A 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它