math-eval/TAL-SCQ5K huggingface dataset:
Problem: Write $$\frac{7}{500}$$ as a decimal. 
Options:
aoVal: A
content: $$0.014$$ 
aoVal: B
content: $$0.72$$ 
aoVal: C
content: $$0.75$$ 
aoVal: D
content: $$0.705$$ 
Answer: A
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Basic Understanding of Decimals
Problem: What is the number when $$187.45$$ is rounded to $$1$$ decimal place? 
Options:
aoVal: A
content: $$187.4$$ 
aoVal: B
content: $$187.5$$ 
aoVal: C
content: $$188.4$$ 
aoVal: D
content: $$188.5$$ 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Basic Understanding of Decimals
Problem: Look at the number pattern below. What is the missing number in the blank?  $$3010$$, $$3110$$, $$3310$$,~\uline{~~~~~~~~~~}~, $$4010$$, $$4510$$ 
Options:
aoVal: A
content: $$3410$$ 
aoVal: B
content: $$3510$$ 
aoVal: C
content: $$3610$$ 
aoVal: D
content: $$3710$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables->Patterns in Number Sequences
Problem: If $$p$$ is a positive integer and $$q$$ is a negative integer, which of the following is greatest? 
Options:
aoVal: A
content: $$p-q$$ 
aoVal: B
content: $$q-p$$ 
aoVal: C
content: $$p+q$$ 
aoVal: D
content: $$-p-q$$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Negative Numbers->Operations on Negative numbers
Source: 其它
Problem: A large store has a customer service department where customers can go to ask for help with store-related issues. According to store records, approximately $\dfrac{1}{4}$~of all customers who go to the service department ask for help finding an item. Assume the reason each customer goes to the service department is independent from customer to customer. Based on the approximation, what is the probability that at least I of the next 4 customers who go to the service department will ask for help finding an item? 
Options:
aoVal: A
content: $4(\dfrac{1}{4})$ 
aoVal: B
content: $1-(\dfrac{1}{4})^{4}$ 
aoVal: C
content: $1-(\dfrac{3}{4})^{4}$ 
aoVal: D
content: $4(\dfrac{1}{4})^{1}(\dfrac{3}{4})^{3}$ 
aoVal: E
content: $(\dfrac{4}{4})(\dfrac{3}{4})(\dfrac{2}{4})(\dfrac{1}{4})$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables
Source: 其它
Problem: Which of the following expressions has the same result as $$934-165-35$$? 
Options:
aoVal: A
content: $$934-(165-35)$$ 
aoVal: B
content: $$934-(165+35)$$ 
aoVal: C
content: $$934+(165-35)$$ 
aoVal: D
content: $$934+(165+35)$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers
Source: 其它
Problem: A bus first leaves the station at $06:15$.  The bus leaves the station every $15$ minutes thereafter, with the last bus leaving at $21:45$.  How many buses leave the station during the day? 
Options:
aoVal: A
content: $$63$$ 
aoVal: B
content: $$62$$ 
aoVal: C
content: $$61$$ 
aoVal: D
content: $$64$$ 
aoVal: E
content: $$58$$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: The distance between Nicole\textquotesingle s hotel and the entrance of Disneyland is $50$ kilometres. If  $1000$ metres = $1$ kilometres,  $100$ centimetres = $1$ metre,  Find the distance between Nicole\textquotesingle s hotel and the entrance of Disneyland in centimetres. 
Options:
aoVal: A
content: $$500$$ 
aoVal: B
content: $$5000$$ 
aoVal: C
content: $$500000$$ 
aoVal: D
content: $$5000000$$ 
aoVal: E
content: $$50000000$$ 
Answer: D
Analysis: $$N.A$$ 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion
Source: 其它
Problem: Calculate $$836 \times 45$$. 
Options:
aoVal: A
content: $$37620$$ 
aoVal: B
content: $$37520$$ 
aoVal: C
content: $$37420$$ 
aoVal: D
content: $$37610$$ 
Answer: A
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: Calculate: 10-6+20-16+30-26+40-36+50-46 
Options:
aoVal: A
content: $$25$$ 
aoVal: B
content: $$20$$ 
aoVal: C
content: $$16$$ 
aoVal: D
content: $$150$$ 
aoVal: E
content: $$100$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: The best way to write the product of $y$ and $2$ is~\uline{~~~~~~~~~~}~. 
Options:
aoVal: A
content: $$2$$ 
aoVal: B
content: $$y2$$ 
aoVal: C
content: $2\times y$ 
aoVal: D
content: $2y$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Algebraic Expressions
Source: 其它
Problem: $$15\text{g}$$ coffee is dissolved in $$45\text{g}$$ of milk. What are the ratio of coffee to milk and the ratio of coffee to coffee-milk, respectively? 
Options:
aoVal: A
content: $$1:3$$, $$1:4$$ 
aoVal: B
content: $$1:4$$, $$1:3$$ 
aoVal: C
content: $$3:1$$, $$4:1$$ 
aoVal: D
content: $$4:1$$, $$3:1$$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions
Problem: Which of these is the smallest? 
Options:
aoVal: A
content: $$4.96\textbackslash\%$$ 
aoVal: B
content: $$\frac{1}{20}$$ 
aoVal: C
content: $$0.45$$ 
aoVal: D
content: $$5.1\textbackslash\%$$ 
aoVal: E
content: $$\frac{1}{18}$$ 
Answer: A
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Comparing, Ordering and Estimating->Comparing and Ordering
Problem: Find the value of $$\left( -5-8 \right)\times \left( -1 \right)\div 13$$. 
Options:
aoVal: A
content: $$1$$ 
aoVal: B
content: $$-1$$ 
aoVal: C
content: $$5$$ 
aoVal: D
content: $$0$$ 
Answer: A
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division
Problem: St. Norbert College in Green Bay conducts an annual survey of Wisconsin residents. In 2011 a random sample of 400 Wisconsin residents was selected and 25\% of respondents said the country is headed in the right direction. In a 2016 random sample of 664 residents, 28\% said they thought the country was headed in the right direction. Do these samples provide convincing evidence of a change in the proportion of adults who thought the country was headed in the right direction? 
Options:
aoVal: A
content: No, because the 95\% confidence interval for the difference contains 3\%. 
aoVal: B
content: No, because the 95\% confdence interval for the difference contains 0\%. 
aoVal: C
content: No, because the 95\% confidence interval for the difference does not contain 0\%. 
aoVal: D
content: Yes, because the 95\% confdence interval for the difference does not contain 3\%. 
aoVal: E
content: Yes, because the 95\% confdence interval for the difference contains 3\%. 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Which three integers lie between $-2$ and its opposite on a number line? 
Options:
aoVal: A
content: $-1, 0, 1$ 
aoVal: B
content: $1, 2, 3$ 
aoVal: C
content: $-3, 0, 3$ 
aoVal: D
content: $-3, -2, -1$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Negative Numbers
Source: 其它
Problem: The\hspace{0pt} \hspace{0pt}Giraffe\hspace{0pt} \hspace{0pt}in\hspace{0pt} \hspace{0pt}London\hspace{0pt} \hspace{0pt}Zoo\hspace{0pt} \hspace{0pt}is\hspace{0pt} \hspace{0pt}~\uline{~~~~~~~~~~}~\hspace{0pt} \hspace{0pt}tall. 
Options:
aoVal: A
content: $$5\text{cm}$$ 
aoVal: B
content: $$5\text{\hspace{0pt}m}$$ 
aoVal: C
content: $$5\hspace{0pt}\text{\hspace{0pt}mm}$$ 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion->Knowing Units
Problem: Multiply $$36$$ by $$3$$． 
Options:
aoVal: A
content: $$12$$ 
aoVal: B
content: $$39$$ 
aoVal: C
content: $$48$$ 
aoVal: D
content: $$108$$ 
Answer: D
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division
Problem: What is the product of $357$ and $3$? 
Options:
aoVal: A
content: $$951$$ 
aoVal: B
content: $$971$$ 
aoVal: C
content: $$1051$$ 
aoVal: D
content: $$1071$$ 
Answer: D
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division
Problem: What is $6795173$ rounded to the nearest ten thousand? 
Options:
aoVal: A
content: $$6975000$$ 
aoVal: B
content: $$7000000$$ 
aoVal: C
content: $$695000$$ 
aoVal: D
content: $$6790000$$ 
aoVal: E
content: $6800000$ 
Answer: E
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Which of the following is the correct expression of $0.101010\dots$? 
Options:
aoVal: A
content: $0.\dot{1}0$ 
aoVal: B
content: $\dot{0}.\dot{1}$ 
aoVal: C
content: $0.1\dot{0}\dot{1}$ 
aoVal: D
content: $0.\dot{1}\dot{0}$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Recurring Decimals
Source: 其它
Problem: $$3$$ fours$$=$$． 
Options:
aoVal: A
content: $$7$$ 
aoVal: B
content: $$9$$ 
aoVal: C
content: $$12$$ 
aoVal: D
content: $$34$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division
Problem: The $5$-digit number $2023A$ divisible by $9$.  What is the remainder when this number is divided by $5$? 
Options:
aoVal: A
content: $$0$$ 
aoVal: B
content: $$1$$ 
aoVal: C
content: $$2$$ 
aoVal: D
content: $$3$$ 
aoVal: E
content: $$4$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Calculation of Multi-digit Numbers
Source: 其它
Problem: $$6+24\div3-8\times2=$$ 
Options:
aoVal: A
content: $$4$$ 
aoVal: B
content: $$-6$$ 
aoVal: C
content: $$-2$$ 
aoVal: D
content: $$0$$ 
aoVal: E
content: $$2$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Which of these fractions is the smallest? 
Options:
aoVal: A
content: $\frac{2}{7}$ 
aoVal: B
content: $\frac{2}{9}$ 
aoVal: C
content: $\frac{2}{4}$ 
aoVal: D
content: $\frac{2}{5}$ 
aoVal: E
content: $\frac{2}{3}$ 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Comparing, Ordering and Estimating->Comparing and Ordering
Problem: $$1-\frac{1}{12}-\frac{1}{6}=$$~\uline{~~~~~~~~~~}~  What is the answer? ． 
Options:
aoVal: A
content: $$\frac{1}{12}$$ 
aoVal: B
content: $$\frac{3}{4}$$ 
aoVal: C
content: $$\frac{5}{6}$$ 
aoVal: D
content: $$\frac{11}{12}$$ 
Answer: B
Analysis: $$N.A$$ 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Fractions
Source: 其它
Problem: A medical center conducted a study to investigate cholesterol levels in people who have had heart attacks. A random sample of 16 people was obtained from the names of all patients of the medical center who had a heart attack in the previous year. Of the people in the sample, the mean cholesterol level was 264.70 milligrams per deciliter (me/dL) with standard deviation 42.12 mg/dL. Assuming all conditions for inference were met, which of the following is a 90 percent confidence interval for the mean cholesterol level, in mg/dL, of all patients of the medical center who had a heart attack in the previous year? 
Options:
aoVal: A
content: (242.26, 287.14) 
aoVal: B
content: (244.06, 285.34) 
aoVal: C
content: (246.24, 283.16) 
aoVal: D
content: (247.38, 282.02) 
aoVal: E
content: (260.09, 269.31) 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: What is $$34.96$$ rounded to the nearest tenth? 
Options:
aoVal: A
content: $$30.0$$ 
aoVal: B
content: $$34.0$$ 
aoVal: C
content: $$34.95$$ 
aoVal: D
content: $$34.96$$ 
aoVal: E
content: $$35.0$$ 
Answer: E
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Basic Understanding of Decimals->Finding Approximate Values
Problem: Following a decrease in the supply of oranges, the price of orange juice increased by 20 percent, which resulted in a 10 percent increase in the quantity of apple juice consumed. This implies that the cross elasticity of demand between orange juice and apple juice is 
Options:
aoVal: A
content: $$0$$ 
aoVal: B
content: $$0.5$$ 
aoVal: C
content: $$1$$ 
aoVal: D
content: $$2$$ 
aoVal: E
content: indeterminate 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Ben is $$165\rm cm$$ tall. David is $$15\rm cm$$ shorter than Ben. Carl is $$10\rm cm$$ taller than David. What is the ratio of Carl\textquotesingle s height to David\textquotesingle s height to Ben\textquotesingle s height? 
Options:
aoVal: A
content: $$33:32:30$$ 
aoVal: B
content: $$32:30:33$$ 
aoVal: C
content: $$35:30:33$$ 
aoVal: D
content: $$28:33:30$$ 
Answer: B
Analysis: N/A.　 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions
Source: 其它
Problem: What is the value of $$\left( 84\div 7 \right)+7\times 6-3$$? 
Options:
aoVal: A
content: $$33$$ 
aoVal: B
content: $$51$$ 
aoVal: C
content: $$57$$ 
aoVal: D
content: $$111$$ 
Answer: B
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Mixed Operations
Problem: Which of the followings is the smallest? 
Options:
aoVal: A
content: $$0.0701$$ 
aoVal: B
content: $$0.701$$ 
aoVal: C
content: $$0.071$$ 
aoVal: D
content: $$0.07$$ 
aoVal: E
content: $$0.0777$$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Basic Understanding of Decimals
Problem: Eddie and Squary went to the zoo. They saw $4$ sheep. After a while, they saw $2$ more sheep. How many sheep did they see in total? 
Options:
aoVal: A
content: $$5$$ 
aoVal: B
content: $$6$$ 
aoVal: C
content: $$7$$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers
Source: 其它
Problem: What is the sum of the digits in the number $$2011$$? 
Options:
aoVal: A
content: $$202$$ 
aoVal: B
content: $$31$$ 
aoVal: C
content: $$4$$ 
aoVal: D
content: $$13$$ 
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: Which of the following fractions is the greatest? 
Options:
aoVal: A
content: $$\frac{5}{9}$$ 
aoVal: B
content: $$\frac{5}{8}$$ 
aoVal: C
content: $$\frac{5}{7}$$ 
aoVal: D
content: $$\frac{5}{6}$$ 
Answer: D
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Comparing, Ordering and Estimating->Comparing and Ordering
Problem: Compare:  $(2 \times 4) \times 5$~\uline{~~~~~~~~~~}~$2 \times (4 \times 5)$ 
Options:
aoVal: A
content: $\textgreater$ 
aoVal: B
content: $\textless$ 
aoVal: C
content: $$=$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Is $\sqrt {123}$ a number or a type of calculation? 
Options:
aoVal: A
content: it is a number 
aoVal: B
content: it is a calculation 
aoVal: C
content: it is both 
aoVal: D
content: it is none 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Sequences and Number Tables->Arithmetic Sequences->Sum of Two Grade Arithmetic Sequences
Source: 其它
Problem: $$20$$ less than $$3591$$ is． 
Options:
aoVal: A
content: $$1591$$ 
aoVal: B
content: $$3391$$ 
aoVal: C
content: $$3571$$ 
aoVal: D
content: $$3611$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Addition and Subtraction
Problem: Kyle has $10$ dollars and Ming has $17$ dollars. The ratio of Kyle and Ming\textquotesingle s money is~\uline{~~~~~~~~~~}~. 
Options:
aoVal: A
content: $10:7$ 
aoVal: B
content: $10:17$ (dollars) 
aoVal: C
content: $20:34$ 
aoVal: D
content: $7:10$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions
Source: 其它
Problem: 1. Seven million, three hundred and eight thousand and twenty-eight in numerals is． 
Options:
aoVal: A
content: $$7008328$$ 
aoVal: B
content: $$7030828$$ 
aoVal: C
content: $$738028$$ 
aoVal: D
content: $$7380028$$ 
aoVal: E
content: $$7308028$$ 
Answer: E
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers
Source: 其它
Problem: Which digit in $$59.04$$ is in the tenth place?　 
Options:
aoVal: A
content: $$0$$ 
aoVal: B
content: $$5$$ 
aoVal: C
content: $$9$$ 
aoVal: D
content: $$4$$ 
Answer: A
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Basic Understanding of Decimals
Problem: Tom ran 2000 metres every day for fifteen days.  How many kilometres did he run altogether? 
Options:
aoVal: A
content: $$3\text{km}$$ 
aoVal: B
content: $$10\text{km}$$ 
aoVal: C
content: $$15\text{km}$$ 
aoVal: D
content: $$30\text{km}$$ 
aoVal: E
content: $$300\text{km}$$ 
Answer: D
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion->Converting between Units of Length
Problem: Which of the following is equivalent to the expression $\frac{(x^{2})^{3}yz^{3}}{x^{3}y^{2}z^{2}}$ ?  $\textasciitilde$ 
Options:
aoVal: A
content: $x^{3}yz$ 
aoVal: B
content: $\frac{x^{2}z}{y}$ 
aoVal: C
content: $\frac{x^{3}z}{y}$ 
aoVal: D
content: $xyz$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Which of the following numbers is opposite to $\frac{2}{3}$? 
Options:
aoVal: A
content: $\frac{2}{3}$ 
aoVal: B
content: $-\frac{2}{3}$ 
aoVal: C
content: $\frac{3}{2}$ 
aoVal: D
content: $-\frac{3}{2}$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Negative Numbers
Source: 其它
Problem: The product of~$z$~and~$-1$~is ． 
Options:
aoVal: A
content: $-1\times z$ 
aoVal: B
content: $-z$ 
aoVal: C
content: $-1z$ 
Answer: B
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Algebraic Expressions
Source: 其它
Problem: Calculate~$\dfrac{1}{5}+\dfrac{2}{5}=$~\uline{~~~~~~~~~~}~ 
Options:
aoVal: A
content: $$\dfrac{3}{5}$$ 
aoVal: B
content: $$\dfrac{3}{10}$$ 
aoVal: C
content: $$\dfrac{2}{25}$$ 
aoVal: D
content: $$\dfrac{2}{10}$$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Fractions->Operations of Fractions->Addition and Subtraction of Fractions
Source: 其它
Problem: The digit $$6$$ in $$28.56$$ stands for $$6$$~\uline{~~~~~~~~~~}~. 
Options:
aoVal: A
content: ones　 
aoVal: B
content: tenths　 
aoVal: C
content: hundredths　 
aoVal: D
content: thousandths　 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Basic Understanding of Decimals
Problem: The human heart beats an average of $$70$$ times per minute. On average how many times does it beat in one hour? 
Options:
aoVal: A
content: $$42000$$ 
aoVal: B
content: $$7000$$ 
aoVal: C
content: $$4200$$ 
aoVal: D
content: $$700$$ 
aoVal: E
content: $$420$$ 
Answer: C
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: Which should I do first in this equation?  (3+5)x2 
Options:
aoVal: A
content: (3+5) 
aoVal: B
content: 5 times 2 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Subtract $$0.08$$ from $$5.4$$. 
Options:
aoVal: A
content: $$4.6$$ 
aoVal: B
content: $$4.96$$ 
aoVal: C
content: $$5.32$$ 
aoVal: D
content: $$5.48$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Addition and Subtraction of Decimals
Problem: Calculate the sum below.  \[ 9+11+8+12+7+13+6+14+5+14\] 
Options:
aoVal: A
content: $$100$$ 
aoVal: B
content: $$85$$ 
aoVal: C
content: $$92$$ 
aoVal: D
content: $$99$$ 
aoVal: E
content: None of the above 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: In a cave, there were two horses,one bear and three turtles. Later, five horses, three bear and four turtles joined them. low many animals are in the cave now 
Options:
aoVal: A
content: $$6$$ 
aoVal: B
content: $$8$$ 
aoVal: C
content: $$10$$ 
aoVal: D
content: $$15$$ 
aoVal: E
content: $$18$$ 
Answer: E
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: $$381\div 8=$$~\uline{~~~~~~~~~~}~  Round off your answer to $$2$$ decimal places. 
Options:
aoVal: A
content: $$47.6$$ 
aoVal: B
content: $$47.62$$ 
aoVal: C
content: $$47.63$$ 
aoVal: D
content: $$47.625$$ 
Answer: C
Analysis: N/A. 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Multiplication and Division of Decimals
Problem: Simplify $$4\times a+b\times b$$. Which one is right? 
Options:
aoVal: A
content: $$4abb$$ 
aoVal: B
content: $$8ab$$ 
aoVal: C
content: $$4a{{b}^{2}}$$ 
aoVal: D
content: $$4a+{{b}^{2}}$$ 
aoVal: E
content: $4a+2b$ 
Answer: D
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Equivalent Substitution->Algebraic Expressions
Problem: The day before yesterday is Tuesday. What day is the day after tomorrow? 
Options:
aoVal: A
content: Tuesday 
aoVal: B
content: Wednesday 
aoVal: C
content: Friday 
aoVal: D
content: Saturday 
aoVal: E
content: Sunday 
Answer: D
Analysis: N/A 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: Which of the following is a rate? 
Options:
aoVal: A
content: $3:1$ 
aoVal: B
content: $4\min :1\text{day}$ 
aoVal: C
content: $\frac{100\text{kg}}{30\min }$ 
aoVal: D
content: $436\text{m} :5\text{cm}$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion
Source: 其它
Problem: How many of the following options are equations?  1.~$x=y$  2.~$x\gt1$  3.~$x\geqslant x-1$  4.~$1=2$ 
Options:
aoVal: A
content: $$0$$ 
aoVal: B
content: $$1$$ 
aoVal: C
content: $$2$$ 
aoVal: D
content: $$3$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation
Source: 其它
Problem: Calculate the sum of the following mixed fractions.  $$1\frac{1}{3}+2\frac{9}{12}+3\frac{3}{5}+4\frac{1}{4}+5\frac{4}{6}+6\frac{10}{25}$$ 
Options:
aoVal: A
content: $$18$$ 
aoVal: B
content: $$19$$ 
aoVal: C
content: $$21\frac{7}{12}$$ 
aoVal: D
content: $$24$$ 
aoVal: E
content: None of the above 
Answer: D
Analysis: $$N.A$$ 
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: $1\frac56-\frac34=$ 
Options:
aoVal: A
content: $1\frac{1}{12}$ 
aoVal: B
content: $\frac{11}{12}$ 
aoVal: C
content: $1\frac{1}{3}$ 
aoVal: D
content: $1\frac{1}{2}$ 
aoVal: E
content: $1\frac{1}{6}$ 
Answer: A
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules
Source: 其它
Problem: A, B and C share sweets in the ratio of $5:9:11$. A and B together get $18$ more sweets than C. How many sweets do they have altogether? 
Options:
aoVal: A
content: $$90$$ 
aoVal: B
content: $$120$$ 
aoVal: C
content: $$150$$ 
aoVal: D
content: $$180$$ 
aoVal: E
content: $$240$$ 
Answer: C
Knowledge points: Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions
Source: 其它