text stringlengths 71 3.78k |
|---|
Question: During PE class, students lined up in a single line in order of height from the tallest. Jungkook is the 7th and Minyoung is the 5th. Taehyung is taller than Minyoung but shorter than Jungkook. What number is Taehyung? Answer: Since Taehyung is taller than Minyoung, he must be in front of Minyoung in the line... |
Question: The four students, Yoongi, Jungkook, Yuna, and Yoojung, each have the numbers 7, 6, 9, and 8. Whose number is the biggest? Answer: Yuna has the biggest number, which is 9. |
Question: If you want to put 2135 candies in a box with 100 candies each, how many boxes are needed at least? Answer: To find out how many boxes are needed to hold 2135 candies with each box holding 100 candies, you would divide the total number of candies by the number of candies each box can hold.
2135 candies ÷ 100... |
Question: When 27 is divided by a number, the quotient is 5 and the remainder is 7. Find the value that is divisible by the sum of the number and 5, and has a quotient of 7. Answer: Let's first find the number by which 27 is divided to give a quotient of 5 and a remainder of 7.
If the quotient is 5 and the remainder i... |
Question: Hajun went to school 5 times and it took him 1 hour and 36 minutes. How many minutes does it take to go once? Answer: To find out how many minutes it takes for Hajun to go to school once, we need to first convert the total time into minutes and then divide by the number of times he went to school.
1 hour and... |
Question: Eunji got on the train in 10th place. 11 more people got on the train following Eunji, and then Yuna got on the train. When did Yuna get on the train? Answer in ordinal number. Answer: If Eunji got on the train in 10th place and 11 more people got on after her, that would make 11 people plus Eunji, which is 1... |
Question: How many trips are needed to transport 48 crates weighing 1 kg (kg) using 6 carts that can carry up to 4 kg (kg) at the same time? Answer: Each cart can carry up to 4 kg at a time. Since each crate weighs 1 kg, each cart can carry 4 crates at a time (4 kg / 1 kg per crate = 4 crates per cart).
There are 48 c... |
Question: Heungbu and his family decided to fetch 10 liters (l) of water from the village well for farming. Heungbu scooped up the water three times with a 1 liter (L) and 500 milliliter (㎖) bowl, and Heungbu's wife scooped up the water once with a 1 liter (L) and 750 milliliters (㎖) bowl. When Heungbu's son decided to... |
Question: Kyungsoo went to a stationery store with a friend. If there are 3 types of pencils and 5 types of ballpoint pens in the stationery store, in how many ways can Kyungsoo choose one pencil and one ballpoint pen? Answer: To find the total number of ways Kyungsoo can choose one pencil and one ballpoint pen, we can... |
Question: You are comparing the area of a regular square and a regular triangle. A side of a square is 4 centimeters (cm). If the triangle is 4 centimeters (cm) high and the base is 6 centimeters (cm), choose the wider one. Answer: To compare the areas of the square and the triangle, we need to calculate the area of ea... |
Question: There is an octahedron. Find the number of faces of this octahedron. Answer: An octahedron is a polyhedron with eight faces. Hence, the number of faces of an octahedron is 8. |
Question: Minchan is organizing the gym storage. If there are 240 baseballs, ping-pong balls, and tennis balls in total, the baseballs are divided into 35 boxes of 4 each, and the tennis balls are divided into 6 boxes of 3 each. How many ping-pong balls are there if all remaining balls are ping-pong balls? Answer: Firs... |
Question: Jimin is lighter than Namjoon and heavier than Seokjin. Seokjin is heavier than Hoseok. Which of the 4 is the lightest? Answer: Hoseok is the lightest among the four. |
Question: Half of the 30 students are girls, and 7 of them are not elementary school students. Find out how many female students are in elementary school. Answer: If half of the 30 students are girls, then there are 30 / 2 = 15 girls.
Out of these 15 girls, 7 of them are not elementary school students. Therefore, the ... |
Question: There are 24 marbles. Of these, the red marbles are 1/4 of the total, the amount of blue marbles is 6 more than that of the red marbles, and the rest are yellow marbles. What color marbles do you have the most? Answer: Let's calculate the number of marbles of each color.
First, we find the number of red marb... |
Question: Taehee jumped rope 23 times yesterday, and Jihoon did 35 times. Today, Taehee did 14 times more than yesterday, but Jihoon did 19 times less than yesterday. Who jumped more ropes yesterday and today combined? Answer: Let's calculate the total number of jumps for each person over the two days.
For Taehee:
Yes... |
Question: If the perimeter of a rectangular picture frame is 30 centimeters (cm) and the width is 10 centimeters (cm), how many centimeters (cm) is the length of the picture frame? Answer: The perimeter (P) of a rectangle is given by the formula:
P = 2 * (length + width)
We know the perimeter is 30 cm and the width i... |
Question: Hanbyeol and Seulgi did a running exercise. Hanbyeol ran 10.2 kilometers (km) as much as 1/100, and Seulgi ran 100 meters (m). Who ran more? Answer: To compare the distances run by Hanbyeol and Seulgi, we need to convert their distances to the same unit. Let's convert Hanbyeol's distance to meters since Seulg... |
Question: You were supposed to multiply a certain number by 5, then add 24, then divide by 7, but you accidentally add 24, divide it by 5, then multiply by 7, and you get 70. Find the correct calculated value. Answer: Let's denote the certain number as x.
According to the accidental calculation you did:
1. You added 2... |
Question: Find the probability of getting a card with a number less than or equal to 9 when drawing one of the following number cards: 1, 3, 4, 6, 7, and 9. Answer: To find the probability of drawing a card with a number less than or equal to 9 from the given set of cards, we first need to determine the total number of... |
Question: What is the unused card if two of the number cards 6, 9 and 2 are used all at once to make the smallest two-digit number? Answer: To make the smallest two-digit number using two of the number cards 6, 9, and 2, we should use the smallest digits available. The smallest digits among the three are 2 and 6.
If ... |
Question: The length of the red string is 8 metres (m). The length of the white string is 5 times the length of the red string. The white string is 8 times as long as the blue string. How many metres (m) is the blue string? Answer: First, we need to find the length of the white string, which is 5 times the length of th... |
Question: What is the number obtained by subtracting 35 times 4 and 6 times 3 from 240? Answer: First, calculate 35 times 4:
35 * 4 = 140
Next, calculate 6 times 3:
6 * 3 = 18
Now, subtract the sum of (35 * 4) and (6 * 3) from 240:
240 - (140 + 18) = 240 - 158 = 82
The number obtained is 82. |
Question: There is a rectangle whose long side is 1 meter (m) and its short side is 2/8 meter (m) shorter than its long side. Find the answer in meters (m) equal to the sum of the lengths of the four sides of this rectangle. Answer: The long side of the rectangle is 1 meter. The short side is 2/8 meter shorter than the... |
Question: You are going to use 3 out of 10 wooden blocks of different lengths. How many ways can you choose 3 blocks out of 10? Answer: To determine the number of ways to choose 3 blocks out of 10, you can use the combination formula, which is given by:
C(n, k) = n! / (k! * (n - k)!)
where:
- C(n, k) is the number of... |
Question: Each box contains 3 red balls and 5 blue balls. When Jungkook has 2 boxes, how many blue balls does Jungkook have? Answer: If Jungkook has 2 boxes and each box contains 5 blue balls, then Jungkook has a total of:
2 boxes * 5 blue balls per box = 10 blue balls
Jungkook has 10 blue balls. |
Question: (a) is larger than (b) and smaller than (c). (e) is smaller than (d). (b) is greater than (d). Which number is the smallest among (a), (b), (c), (d), and (e)? Answer: From the given information, we can deduce the following relationships:
1. (a) is larger than (b) and smaller than (c), so we have (b) < (a) < ... |
Question: Namjoon walks 1.2 kilometers (km) from home to school. Today, Namjoon walked 0.3 kilometers (km), went back home, got things ready, and went to school. How many more kilometers (km) did Namjoon walk than usual today? Find the answer including decimal points. Answer: Namjoon usually walks 1.2 kilometers to sch... |
Question: My mother wants to buy 4 bottles of honey weighing 3kg (kg) and distribute 3/4 kg (kg) to each neighbor. With how many people can she share? Answer: First, let's find out the total weight of honey your mother has:
4 bottles * 3 kg/bottle = 12 kg
Now, let's see how many neighbors she can share with if she gi... |
Question: Find the difference between the number of verticles of a hexagonal prism and the number of vertices of a pentagonal prism. Answer: A hexagonal prism has a hexagon at both the top and bottom, and a hexagon has 6 vertices. Therefore, a hexagonal prism has 6 vertices on the top and 6 vertices on the bottom, for ... |
Question: Find the difference between the largest and smallest of 6 consecutive natural numbers. Answer: Let's denote the smallest of the 6 consecutive natural numbers as n. Then the numbers are n, n+1, n+2, n+3, n+4, and n+5.
The largest number is n+5.
To find the difference between the largest and smallest, we subt... |
Question: In math class, Taehyung solved 9 problems and kept working on doing 7 more problems. How many math problems did Taehyung solve today? Answer: Taehyung solved 9 problems initially and then worked on 7 more. To find the total number of problems he solved, we add the two amounts together:
9 problems + 7 problem... |
Question: Nana and Gaeun did a long jump. Nana jumped 1.618 meters (m) and Gaeun jumped 162.3 centimeters (cm). Who jumped further? Answer: To compare the jumps of Nana and Gaeun, we need to convert their jumps to the same unit of measurement. Let's convert Gaeun's jump from centimeters to meters.
1 meter = 100 centim... |
Question: Find the value of subtracting the smallest two-digit number from the largest two-digit number that can be formed by drawing two different numbers from 9, 4, 3, and 5. Answer: The largest two-digit number that can be formed by drawing two different numbers from 9, 4, 3, and 5 is 95 (using 9 and 5).
The smalle... |
Question: A cube-shaped box measures 11 centimeters (cm) at one edge. What is the surface area of this box? Answer: The surface area of a cube can be calculated using the formula:
Surface Area = 6 * (edge length)^2
Given that the edge length of the cube-shaped box is 11 cm, we can substitute this value into the formu... |
Question: There are 275 apples. I am going to put 20 apples in a box and sell them for 8,000 won each. If you sold all the boxes of apples, how much did you get after selling the apples? Answer: First, we need to determine how many boxes of apples you can make with 275 apples. Since each box contains 20 apples, we divi... |
Question: Two friends decided to exercise hard. If Yeseul did 13/10 hours and Youngjun did 22/15 hours, which of the two worked out longer? Answer: To determine who worked out longer, we need to compare the two fractions that represent the hours Yeseul and Youngjun exercised.
Yeseul did 13/10 hours, and Youngjun did 2... |
Question: Eunji, who had 9 pieces of green confetti and 1 piece of red confetti, gave 4 of her confetti to Yuna. How many pieces of confetti does Eunji have now? Answer: Eunji originally had 9 green confetti and 1 red confetti, making a total of 9 + 1 = 10 pieces of confetti.
She gave 4 pieces to Yuna, so she now has ... |
Question: If Chanhui walks 0.75 meters (m) per step and walks 70 steps straight for 1 minute, how many meters (m) does Chanhui's location after 13 minutes differ from his current location? Answer: To find out how many meters Chanhui's location differs from his current location after 13 minutes, we first need to calcula... |
Question: The heights of the three planks A, B, and C are 2.4 centimeters (cm), 3.2 centimeters (cm), and 2.8 centimeters (cm), respectively. Eunji is standing on top of a stack of 8 A. Namjoon is standing on top of 4 B, and Hoseok is standing on top of 5 C. Who is standing on the lowest place from the earth? Answer: T... |
Question: Yuna, Yoojung, and Minyoung took number tickets at the bank. Minyoung's number is lower than Yuna's, and Yoojung's number is greater than Yuna's. Who has the smallest number? Answer: Minyoung has the smallest number because her number is lower than Yuna's, and Yuna's number is lower than Yoojung's. |
Question: Find how many two-digit numbers are greater than 45 and less than 54. Answer: To find the two-digit numbers that are greater than 45 and less than 54, we can list them out:
46, 47, 48, 49, 50, 51, 52, 53
Counting these numbers, we find that there are 8 two-digit numbers that are greater than 45 and less tha... |
Question: Minsu wants to put 2 Korean and 2 English workbooks next to each other on the bookshelf. If each workbook is different, how many ways can he put the Korean workbooks next to each other? Answer: To solve this problem, we can treat the two Korean workbooks as a single unit since they must be next to each other.... |
Question: What is the length of the radius of a circle with an area equal to the surface area of a sphere with a radius of 2 cm (cm)? Answer: To find the length of the radius of a circle with an area equal to the surface area of a sphere with a radius of 2 cm, we first need to calculate the surface area of the sphere a... |
Question: When A, B, C, and D are arranged lexicographically from ABCD to DCBA, find the number in which CABD comes. Answer: To find the position of CABD when all permutations of ABCD are arranged lexicographically, we can calculate it step by step.
There are 4! (4 factorial) permutations of the letters ABCD, which is... |
Question: You have to line up five different people A, B, C, D, and E. How many ways can A come first? Answer: If A must come first, then we only need to consider the arrangements of the remaining four people (B, C, D, and E). Since there are four people and each of them can be in any of the four positions, we have 4! ... |
Question: You are going to choose two people among Jungkook, Jimin, Yoongi, Yuna, and Taehyung and line them up. How many cases are there in all? Answer: To line up two people from a group of five (Jungkook, Jimin, Yoongi, Yuna, and Taehyung), we are looking for the number of permutations of 5 items taken 2 at a time.
... |
Question: A certain number has to be multiplied by 16, but I accidentally added 19 and the result was 50. What is the result if calculated correctly? Answer: Let's call the certain number "x". According to the problem, you accidentally added 19 to x instead of multiplying it by 16. So the equation for the incorrect ope... |
Question: How many different two-digit numbers can be formed using the three numbers 0, 2, and 5 only once? Answer: To form a two-digit number, we cannot use 0 as the first digit because that would make it a one-digit number. So, we have two choices for the first digit (2 or 5) and two choices for the second digit (0 o... |
Question: You want to distribute the marbles equally among 15 students. How many more marbles do you need when there are 328 marbles? Answer: To distribute the marbles equally among 15 students, we need to find the number of marbles that can be divided by 15 without any remainder.
Let's divide 328 by 15 to see if ther... |
Question: There are two squares with side lengths of 8 and 10 respectively. Find the sum of the areas of the two squares. Answer: To find the area of a square, you use the formula:
Area = side length × side length
For the first square with a side length of 8:
Area = 8 × 8 = 64 square units
For the second square wit... |
Question: Minyoung has four times as many flowers as Yoojung has. If Minyoung has 24 flowers, how many flowers do Minyoung and Yoojung have? Answer: If Minyoung has 24 flowers and that is four times as many as Yoojung has, then Yoojung has 24 / 4 = 6 flowers.
To find out how many flowers Minyoung and Yoojung have toge... |
Question: At Seokmin's school, 7 cookies were distributed to 134 6th grade students who were about to graduate. How many boxes of cookies would the school buy if there were 28 cookies in each box? Answer: First, we need to calculate the total number of cookies needed for the 134 6th grade students. Since each student g... |
Question: The father is 5 times Taehyung's age, and the mother is 4 times Taehyung's age. If Taehyung is 9 years old, how many years younger is his mother than his father? Answer: If Taehyung is 9 years old, then:
The father's age is 5 times Taehyung's age, which is 5 * 9 = 45 years old.
The mother's age is 4 times Ta... |
Question: There are seven numbers 1.7, 1/5, 1/5, 1, 3/5, 3/8, and 1.4. When you write them down from the largest to the smallest, which number comes the fourth? Answer: To determine the fourth largest number, we need to compare the numbers and order them from largest to smallest.
First, let's convert all the fractions... |
Question: Ki-tae bought 12 pens at a stationery store, including pencils that cost 1,000 won each and ballpoint pens that cost 1,300 won each. How many pencils did Ki-tae buy when he used all his money of 15,000 won? Answer: Let's denote the number of pencils Ki-tae bought as P and the number of ballpoint pens as B. We... |
Question: (A) is a wooden block 5 meters (m) long and weighing 29/8 kg (kg), and (B) is a block of wood 4 meters (m) long and weighing 2.8 kg (kg). If you cut (A) and (B) by 2 meters (m) and weigh them together, how many kilograms (kg) are they? Answer: First, let's find out how much each block weighs per meter by divi... |
Question: Younghee and Jimin take a walk. Younghee walked 2 kilometers (km), and Jimin walked 1300 meters (m). Which of the two walked longer? Answer: To compare the distances walked by Younghee and Jimin, we need to convert their distances to the same unit of measurement. Since 1 kilometer is equal to 1000 meters, we ... |
Question: Three of the cards of numbers from 1 to 9 were selected to make the number 735. Add up all the numbers that are less than 6 among the selected cards of numbers. Answer: The selected cards of numbers to make the number 735 are 7, 3, and 5. Among these, the numbers that are less than 6 are 3 and 5.
Adding the... |
Question: Inside the box, there are blue, yellow and red marbles. By dividing the number of blue marbles by the number of yellow marbles, the result is 1.2, and dividing the number of yellow marbles by the number of red marbles, the result is 5/6. What is the result if you divide the number of blue marbles by the numbe... |
Question: The zoo keeps 35 female (a) animals. Males outnumber females by 7. How many (a) animals are there in all? Answer: If males outnumber females by 7, then there are 35 + 7 = 42 male (a) animals.
To find the total number of (a) animals, we add the number of females and males together:
35 females + 42 males = 77... |
Question: In the Korean test, Minyoung scored 55 points and Yuna scored 57 points. Eunji scored higher than Minyoung but lower than Yuna. If Eunji's score is a natural number, what is it? Answer: Eunji's score must be higher than Minyoung's score of 55 points and lower than Yuna's score of 57 points. Since Eunji's scor... |
Question: There are three numbers 10, 11, and 12. What is the value of the multiplication of the smallest number and the next smallest number? Answer: The smallest number is 10 and the next smallest number is 11.
The multiplication of 10 and 11 is: 10 * 11 = 110.
So, the value of the multiplication of the smallest ... |
Question: A fisherman catches fish and puts them in 15 boxes, leaving 6 fish. There are 20 fish in one box. How many fish has the fisherman caught? Answer: If there are 15 boxes and each box contains 20 fish, then the total number of fish in the boxes is:
15 boxes * 20 fish/box = 300 fish
Additionally, there are 6 fi... |
Question: Jeongyeon's daily allowance is 300 won and Juho's daily allowance is 500 won. If Jeongyeon's current money is 12,000 won and Juho's money is 4,000 won, find how many days it will take for Jeongyeon and Juho's money to be the same. Answer: Let's denote the number of days it will take for Jeongyeon and Juho to ... |
Question: I should have divided 21 by a particular number, but mistakingly divided 15 by that particular number, and as a result, I got 5. What is the correctly calculated value? Answer: If dividing 15 by a particular number gives you 5, then the particular number is:
15 / x = 5
To find x, we can multiply both sides ... |
Question: There is a machine that produces 15 liters (l) of coke in 3 minutes at a constant rate. How many minutes does it take to get 140 liters (l) of Coke? Answer: To find out how many minutes it takes to get 140 liters of Coke, we can set up a proportion based on the rate at which the machine produces Coke.
We kno... |
Question: You bought two roses at \3,000 each and some lilies at \2,800 each, paid \25,000 and got \2,200 in change. Work out how many lilies you bought. Answer: First, let's calculate the total amount spent on roses. Since each rose costs \3,000 and you bought two, the total cost for roses is:
2 roses * \3,000/rose =... |
Question: In the race, Namjoon, Yoongi, and Hoseok crossed the finish line in that order. Namjoon placed 10th, and Hoseok placed 12th. What is Yoongi's rank? Answer: If Namjoon placed 10th and Hoseok placed 12th, and Yoongi finished between them, then Yoongi must have placed 11th. |
Question: It took Doocheol 1 hour and 36 minutes to circle the park 5 times at a constant speed. Express as a decimal number the number of minutes it took to cycle one lap around the park. Answer: To find the time it took Doocheol to cycle one lap around the park, we need to divide the total time by the number of laps.... |
Question: The number of zebras in the national park is currently 725. This year, 419 were born and 263 died or were hundred. Find how many zebras there were last year. Answer: To find out how many zebras there were last year, we need to subtract the number of zebras born this year and add the number of zebras that died... |
Question: Yu-Jung collected 5 and 8, and Yuna collected 7 and 9. Who has the greater number? Answer: To determine who has the greater number, we need to add the numbers collected by each person and then compare the totals.
Yu-Jung collected 5 and 8, so we add those numbers together:
5 + 8 = 13
Yuna collected 7 and 9,... |
Question: Yoongi has 4 apples and Jungkook who had 6 apples got 3 more. When Yuna has 5 apples, who has the most apples? Answer: Jungkook has the most apples. Initially, he had 6 apples and then he got 3 more, making a total of 9 apples (6 + 3 = 9). Yoongi has 4 apples and Yuna has 5 apples, so Jungkook has the most. |
Question: We are going to use 2 of our 3 number cards 1, 2 and 6 to form a two-digit number. How many multiples of 3 can you make? Answer: To find the multiples of 3, we need to consider the combinations of the two-digit numbers that can be formed using the numbers 1, 2, and 6, and then check which of these are divisib... |
Question: If the area of a triangular piece of paper folded in half is 7 square centimeter (cm2), what is the total area of the paper? Answer: When the triangular piece of paper is folded in half, the area of the visible part (the folded triangle) is 7 cm². Since folding the paper in half does not change the total area... |
Question: It took a total of three hours for Sooyoung to walk at 2 kilometers (km) per hour when she climbed up and 4 kilometers (km) per hour when she came down the same road. Find the length of the hiking trail. Answer: Let's denote the length of the hiking trail as \( x \) kilometers.
When Sooyoung climbed up, she ... |
Question: The hundreds digit is 2, and the tens digit is 5. How many numbers satisfy the condition of three-digit numbers greater than 256? Answer: To find the number of three-digit numbers greater than 256 with a hundreds digit of 2 and a tens digit of 5, we need to consider the possible values for the units digit.
S... |
Question: When people in the park form 4 lines of 8 people to do gymnastics, find how many people are doing gymnastics in the park in total. Answer: If there are 4 lines of 8 people each, you can find the total number of people by multiplying the number of lines by the number of people in each line.
4 lines * 8 people... |
Question: I made a mistake of dividing 172 by a certain number when I had to divide by 4, and the resulting quotient was 28 less than the correctly calculated quotient, and the remainder was 7. Find this certain number. Answer: Let's call the certain number by which you mistakenly divided 172 "x". When you divided 172 ... |
Question: Find the value when 166.08 is divided by 4 twice. Answer: To find the value when 166.08 is divided by 4 twice, we first divide 166.08 by 4 and then divide the result by 4 again.
First division:
166.08 ÷ 4 = 41.52
Second division:
41.52 ÷ 4 = 10.38
So, the value when 166.08 is divided by 4 twice is 10.38. |
Question: I'm trying to calculate probabilities. What is the probability of drawing a card with a number less than or equal to 9 when drawing one from the number cards 1, 3, 4, 6, 7, and 9? Answer: To calculate the probability of drawing a card with a number less than or equal to 9 from the given set of number cards (1... |
Question: Find the number of diagonals that can be drawn from one vertex of the decagon. Answer: A decagon has 10 sides and therefore 10 vertices. From any given vertex, you can draw a line to any of the other 9 vertices. However, not all of these lines will be diagonals. The lines connecting to the two adjacent vertic... |
Question: How many three-digit numbers are divisible by 2, 3, 7, and 5? Answer: To find the three-digit numbers divisible by 2, 3, 7, and 5, we need to find the least common multiple (LCM) of these numbers, as the LCM will be the smallest number that is divisible by all of them. Then we can find how many multiples of t... |
Question: Choose the 2nd smallest number among 5, 8, 4, 3, and 2. Answer: The numbers in ascending order are: 2, 3, 4, 5, 8.
The 2nd smallest number is 3. |
Question: There are three numbers 10, 11, and 12. What is the value of the multiplication of the largest number and the smallest number? Answer: The largest number is 12 and the smallest number is 10.
The multiplication of the largest number (12) and the smallest number (10) is:
12 * 10 = 120
So, the value of the m... |
Question: Yujeong and Eunji live on the 17th and 25th floor of the apartment, respectively. Who lives on the higher floor? Answer: Eunji lives on the higher floor, as she resides on the 25th floor, which is higher than Yujeong's 17th floor. |
Question: How many numbers not more than 100 whose number at tens place and ones place is different have 0, 1, 7, and 9? Answer: To find the numbers not more than 100 whose tens and ones places are different and contain the digits 0, 1, 7, and 9, we need to consider the possible combinations of these digits in the tens... |
Question: Rounding down the three-digit number A27 to the nearest hundred gives 200. Get a single-digit number A. Answer: To round down the three-digit number A27 to the nearest hundred, we look at the tens digit. Since the tens digit is 2, which is less than 5, we round down to the nearest hundred, which is 200. This ... |
Question: It takes 0.84 meters (m) of ribbon tape to make one ribbon. If 50 centimeters (cm) remain after making 10 ribbons with the ribbon tape that Yujin has, find the length in meters (m) of the ribbon tape that Yujin had at first. Answer: First, we need to convert the remaining ribbon tape from centimeters to meter... |
Question: The average score for Korean, English, and science is 95 points, and if math scores are included, the average score falls by 3 points. What is math score? Answer: Let's denote the math score as M.
The average score for Korean, English, and science is 95 points. This means that the total score for these three... |
Question: What is the area of the largest rectangle with a perimeter of 52 centimeters (cm)? Answer: To find the area of the largest rectangle with a given perimeter, we need to determine the dimensions that will give us the maximum area. For a rectangle, the area is given by the formula:
Area = length × width
The pe... |
Question: 5.9 centimeters (cm) and 3 centimeters (cm) are the lengths of the two sides of the rectangle. Find the area of this rectangle. Answer: The area of a rectangle is calculated by multiplying the length of one side by the length of the adjacent side. In this case, the two sides are 5.9 cm and 3 cm.
So, the are... |
Question: 8 is the result of accidentally adding 12 to a certain number and then dividing by 8. If the original calculation was to subtract 12 and multiply by 9, what is the correct value? Answer: Let's call the certain number "x".
According to the information given, the incorrect calculation was:
(x + 12) / 8 = 8
T... |
Question: Jimin had 33 notebooks. My father bought 7 more notebooks and my mother bought 14 more. How many more notebooks does Jimin have than at first? Answer: Jimin originally had 33 notebooks. After his father bought 7 more and his mother bought 14 more, the total number of additional notebooks bought is 7 + 14 = 21... |
Question: If you mix 200 grams (g) of salt water with a concentration of 25% and 300 grams (g) of salt water in which 60 grams (g) of salt are dissolved, what is the concentration of the salt water? Answer: First, let's find out how much salt is in each solution before mixing them.
For the first solution:
25% of 200g ... |
Question: What is the smallest number in 1.4, 9/10, 1.2, 0.5, and 13/10 after listing the numbers greater than 1.1? Answer: First, let's convert all the numbers to decimal form to make it easier to compare them:
1.4 is already in decimal form.
9/10 is 0.9 in decimal form.
1.2 is already in decimal form.
0.5 is already... |
Question: Suho is taller than Minyoung, and Seongju is shorter than Minyoung. Seonmi is shorter than Seongju. Write down the shortest person. Answer: The shortest person is Seonmi. |
Question: If you write down all odd numbers that are less than 100 and that are multiples of 3 on a piece of paper, how many times do you have to write the number 1? Answer: To find all odd multiples of 3 that are less than 100, we can start with the smallest odd multiple of 3, which is 3 itself, and continue to add 6 ... |
Question: You are comparing the heights of 20 students. If there are 11 students taller than Yoongi, how many students are shorter than Yoongi? Answer: If there are 11 students taller than Yoongi, then Yoongi is the 12th tallest student in the group. This means that there are 20 - 12 = 8 students shorter than Yoongi. |
Question: If you add 12 to a number and subtract 27, you get 24. Find the number. Answer: Let's call the number you're looking for "x". According to the problem, if you add 12 to x and then subtract 27, the result is 24. We can write this as an equation:
x + 12 - 27 = 24
Now, let's solve for x:
x + 12 - 27 = 24
x - ... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.