Datasets:
Rimyy
/
problemMathGemma

Dataset card Data Studio Files
xet
 Community
2
text
stringlengths
71
3.78k
Question: When water in a beaker was poured into a 120 milliliter (ml) bucket, 2 buckets were filled and 2.4 milliliters (ml) remained in the beaker. Calculate how many milliliters (ml) each of the three beakers contains if the same amount of water is equally divided into three beakers. Answer: First, let's calculate t...
Question: Taehee jumped rope 23 times yesterday and 14 times more today. Jihoon jumped rope 35 times yesterday and 19 fewer times today than yesterday. Who skipped more ropes yesterday and today combined? Answer: To find out who skipped more ropes yesterday and today combined, we need to calculate the total number of j...
Question: You want to form a two-digit number by picking two different numbers from 0, 2, 4, 6, and 8. How many two-digit numbers can you make? Answer: To form a two-digit number, we need to pick two different numbers from the given set {0, 2, 4, 6, 8}, where the first digit cannot be 0 (as that would make it a single-...
Question: A water bottle is full of water. After scooping out the water 20 times with a 250 milliliter (㎖) cup and 13 times with a 600 milliliter (㎖) cup from this water bottle, the water bottle became completely empty. How many liters (L) does this water bottle hold? Answer: To find out the total capacity of the water...
Question: Find how many numbers among 0.8, 1/2, 0.3 are less than 0.4. Answer: To find out how many numbers are less than 0.4, we need to compare each number with 0.4. 0.8 is greater than 0.4. 1/2 (which is 0.5 when converted to a decimal) is greater than 0.4. 0.3 is less than 0.4. Therefore, among the numbers 0.8, 1...
Question: A rectangular marble measuring 1120 centimeters (cm) by 630 centimeters (cm) will be cut and used to cover the floor. If you cut marble into squares with sides measuring 70 centimeters (cm), how many can you make? Answer: To find out how many square marbles can be made from the rectangular marble, we need to ...
Question: The large barrel contained 10 liters (L) of juice and the small barrel contained 8 liters (L) of juice. When 3 liters (L) of juice from the small barrel is poured into a large barrel, how many more liters (L) of juice is in the large barrel than the juice in the small barrel? Answer: Before pouring, the large...
Question: Fifteen pieces of rectangular colored tape, 9.4 cm (cm) wide and 3.7 cm (cm) long, overlap each other by 0.6 centimeters (cm). Find the total area of the entire colored tape joint together, excluding the overlapping area. Answer: To find the total area of the colored tape joined together, excluding the overla...
Question: Find the number of divisors of 32. Answer: To find the number of divisors of 32, we first need to express 32 as a product of its prime factors. 32 = 2^5 Now, to find the number of divisors, we take the exponent in the prime factorization, add 1 to it, and then multiply these numbers together. For 32, we ha...
Question: Which three-digit number is the largest multiple of 6 and multiple of 5 and multiple of 8 and multiple of 9? Answer: To find the largest three-digit number that is a multiple of 6, 5, 8, and 9, we need to find the least common multiple (LCM) of these numbers and then find the largest three-digit number that i...
Question: What is the sum of the numbers 6, 8 and 11? Answer: The sum of the numbers 6, 8, and 11 is: 6 + 8 + 11 = 25
Question: There is a parallelogram whose 2 times the sum of its base and its height is 56. If the base is 16 centimeters (cm), what is the area of the parallelogram? Answer: Let's denote the base of the parallelogram as \( b \) and the height as \( h \). According to the problem, the base \( b \) is 16 cm. The problem...
Question: Yuna has the 5th most pencils in her class, right after Eunji. What order does Eunji in when it comes to having the most pencils? Answer: If Yuna has the 5th most pencils and Eunji is right before her, then Eunji has the 4th most pencils in her class.
Question: Two of the triangle's three angles measure 30 degrees and 60 degrees, respectively. What is the measure of the other angle of this triangle in degrees? Answer: The sum of the angles in any triangle is always 180 degrees. If we already have two angles measuring 30 degrees and 60 degrees, we can find the third ...
Question: The average score for Korean and mathematics is 86 points. Find the average score of the three subjects when English is 98 points. Answer: Let's denote the Korean score as K and the mathematics score as M. According to the information given, the average score for Korean and mathematics is 86 points. This can ...
Question: There are five people: A, B, C, D, E, and F. Their average pocket money is 2,300 won, the average of A and B is 3,000 won, the average of B and C is 2,100 won, and the average of C and D is 2,750 won. And A gets 800 won more than B. How much D's pocket money is? Answer: Let's denote the pocket money of A, B, ...
Question: Multiply a number by 11, add 6, divide that number by 5, then subtract 42 and the result is 12. Find the number. Answer: Let's call the number we are looking for "x". We can set up an equation based on the operations given: 1. Multiply x by 11: \( 11x \) 2. Add 6: \( 11x + 6 \) 3. Divide by 5: \( \frac{11x +...
Question: Find the sum of the largest number and the second smallest number among 75, 91, 83, and 72. Answer: First, let's identify the largest and the second smallest numbers from the given set: 75, 91, 83, and 72. The largest number is 91. To find the second smallest number, we need to arrange the numbers in ascend...
Question: When I ran one lap around the playground, I ran at 15 kilometers (km) per hour the first time, and ran at 10 kilometers (km) per hour the second time, which took 30 minutes longer than the first time. Find the time to run the playground for the second time. Answer: Let's denote the distance of one lap around ...
Question: If animal (A) and animal (B) are added together, there are 17 animals. If there are 8 (B)s, how many (A)s are there? Answer: If there are 8 (B)s, then to find the number of (A)s, we subtract the number of (B)s from the total number of animals. Number of (A)s = Total number of animals - Number of (B)s Number ...
Question: Try to make a square as small as possible by arranging rectangular cards with a width of 20 centimeters (cm) and a length of 8 centimeters (cm) without overlapping. How many cards will you need in total? Answer: To create a square using rectangular cards of 20 cm by 8 cm, we need to find a common multiple of ...
Question: Jungkook collected 6 times 3 apples, and Yoongi collected 4 apples. Who has more apples? Answer: Jungkook collected 6 times 3 apples, which is 6 * 3 = 18 apples. Yoongi collected 4 apples. Jungkook has more apples since 18 (Jungkook's apples) is greater than 4 (Yoongi's apples).
Question: The number of ways going from school to the library is 2, and the number of ways going from the library to home is 3. Find the number of ways to go home from school via the library. Answer: To find the total number of ways to go home from school via the library, you can use the multiplication principle of cou...
Question: When attaching a square picture drawn by students to a rectangular blackboard 120 centimeters (cm) wide and 96 centimeters (cm) long without any remaining parts, find how many centimeters (cm) long a side should be to maximize the size of the picture. Answer: To maximize the size of the square picture on the ...
Question: You are going to create a three-digit number using only once of 5, 9, and 2. Which of the two numbers is greater when the difference between the two numbers made is greatest? Answer: To create the greatest difference between two three-digit numbers using the digits 5, 9, and 2, we want to make one number as l...
Question: A circular lake with a diameter of 100 meters (m) had a circumference of 314 meters (m). How many times bigger is the circumference of this lake compared to its diameter? Answer: To find out how many times bigger the circumference of the lake is compared to its diameter, you simply divide the circumference by...
Question: Eight teams will play basketball. The two teams play, the losing team is eliminated and the winning team advances to the next game. How many matches are played when the last team to win wins? Answer: In this single-elimination tournament format, each match eliminates one team. With eight teams starting, the n...
Question: If a prism with two congruent and parallel bases has 21 edges, find the number of vertices. Answer: A prism is a polyhedron with two congruent and parallel bases. The number of edges in a prism can be determined by the shape of the base. If the base is a polygon with n sides (or vertices), then the prism will...
Question: There were 1.6 kg (kg) of strawberries. I ate 0.8 kg (kg) of strawberries yesterday and 0.3 kg (kg) today. How many kilograms (kg) of strawberries are left? Answer: You started with 1.6 kg of strawberries. You ate 0.8 kg yesterday and 0.3 kg today. To find out how many kilograms of strawberries are left, you ...
Question: When 1A+4B3=469 is true, what number should go in A? Answer: To solve for A, we need to treat the equation as a simple algebraic equation. The equation given is: 1A + 4B3 = 469 We can see that B3 is a three-digit number where B is the tens digit and 3 is the units digit. Since we are only solving for A, we ...
Question: Out of 1000 grams (g) of bread, if Bomi ate 350 grams (g) and Yejun ate 500 grams (g), how many grams (g) of bread are left? Answer: Bomi and Yejun ate a total of 350 g + 500 g = 850 g of bread. To find out how much bread is left, subtract the amount they ate from the original amount: 1000 g - 850 g = 150 g...
Question: A rectangle whose width divided by its height equals 0.875. Find the area of this rectangle when its height is 24 centimeters (cm). Answer: To find the area of the rectangle, we need to know both its width and height. We are given that the height is 24 cm and the width divided by the height equals 0.875. We c...
Question: There is a rectangle with a width of 36 centimeters (cm) and a length of 64 centimeters (cm) and a square whose sum of four sides is equal to the sum of a rectangle's four sides. Find how many centimeters (cm) the length of one side of this square is. Answer: To find the sum of the four sides of the rectangle...
Question: Jungkook has 6 erasers. Jimin has 4 more erasers than Jungkook and Seokjin has 3 fewer than Jimin. Who has the fewest erasers? Answer: Jungkook has 6 erasers. Jimin has 4 more erasers than Jungkook, so Jimin has 6 + 4 = 10 erasers. Seokjin has 3 fewer erasers than Jimin, so Seokjin has 10 - 3 = 7 erasers. ...
Question: There are pretty blankets whose shape is the same as a regular tetradecagon. When the length of all corners is 154 centimeters (cm). Find the length of one edge of the blanket. Answer: A regular tetradecagon is a 14-sided polygon where all sides are of equal length. If the length of all corners (which I assum...
Question: Among 1.4, 9/10, 1.2, 0.5, and 13/10, how many of these 5 numbers are greater than 1.1? Answer: To determine how many of these numbers are greater than 1.1, we need to compare each number to 1.1. 1.4 is greater than 1.1. 9/10 is equal to 0.9, which is less than 1.1. 1.2 is greater than 1.1. 0.5 is less than ...
Question: It is said that the taxi fare in a city is 2,400 won for up to 3 kilometers (km), and 300 won is added for every 200 meters (km) beyond 3 kilometers (km). When a customer rides 4 kilometers (km), how much does he have to pay? Answer: To calculate the taxi fare for a 4 km ride, we need to first determine the f...
Question: People are queuing up to enter the amusement park. If Eunji is standing at the 6th from the back, and there are 7 people in front of Eunji, how many people are all in line? Answer: If Eunji is 6th from the back, that means there are 5 people behind her. There are also 7 people in front of her. To find the tot...
Question: How many numbers that are both multiples of 6 and 15 are less than 200? Answer: To find the numbers that are multiples of both 6 and 15, we need to find the least common multiple (LCM) of 6 and 15. The LCM of two numbers is the smallest number that is a multiple of both numbers. The prime factorization of 6 ...
Question: Find the sum of the lengths of all the edges of a cube with a surface area of 150 square centimeters (cm2). Answer: The surface area (SA) of a cube is given by the formula: SA = 6 * a^2 where a is the length of one side of the cube. Given that the surface area is 150 cm², we can solve for a: 150 = 6 * a^2...
Question: Jaewoong, Seongmin, and Eunseong are track and field athletes. When three people ran for 10 minutes, Jaewoong ran 20 kilometers (km), Sungmin ran 2600 meters (m), and Eunseong ran 5000 meters (m). Who has run the most? Answer: To determine who ran the most, we need to compare the distances they ran in the sam...
Question: The area of a circle is equal to the sum of the areas of 4 circles of radius 2cm (cm). Find the radius of the circle. Answer: To find the radius of the larger circle, we first need to calculate the total area of the four smaller circles, each with a radius of 2 cm. The area of a circle is given by the formul...
Question: What is the smallest natural number excluding 1 that has the same remainder of 1 when divided by 3 and 5? Answer: To find the smallest natural number that has the same remainder of 1 when divided by both 3 and 5, we can use the following approach: Let's denote the number we are looking for as N. According t...
Question: The perimeter of an equilateral triangle is 2 meters (m). Find how many meters (m) is the side length of this equilateral triangle in decimal numbers. Answer: An equilateral triangle has all three sides of equal length. If the perimeter of the equilateral triangle is 2 meters, then each side of the triangle w...
Question: There is a machine that makes 180 toys in 30 minutes. Find how many toys this machine made in 1 hour. Answer: If the machine makes 180 toys in 30 minutes, then in 1 hour (which is 60 minutes), it would make twice as many toys because 60 minutes is twice as long as 30 minutes. So, the number of toys made in 1...
Question: There are three times as many pears as apples in the supermarket. If there are 240 kilograms (kg) of apples, how many kilograms (kg) do the apples and pears weigh? Answer: If there are 240 kg of apples and there are three times as many pears as apples, then the weight of the pears is: 3 times the weight of t...
Question: You are about to buy apples and pears, and give out 4 apples and 3 pears, and there should be no leftovers. If you buy the same number of apples and pears, find the minimum number you need to buy. Answer: To find the minimum number of apples and pears you need to buy without leftovers after giving out 4 apple...
Question: The width of a rectangular parallelepiped is 7 centimeters (cm) and the length is 8 centimeters (cm). If the surface area is 442 square centimeters (cm2), how many centimeters (cm) is the height of this cuboid? Answer: The surface area \( A \) of a rectangular parallelepiped (also known as a cuboid) is given ...
Question: There is a square-shaped colored paper with each side measuring 6 centimeters (cm). What is the area in square centimeters (cm2) of this sheet of paper? Answer: The area of a square is calculated by squaring the length of one of its sides. Since each side of the square-shaped paper measures 6 centimeters, the...
Question: 20 students lined up in a single line. Eleven students are standing in front of Yoongi, and Hoseok is standing right behind Yoongi. How many students are standing behind Hoseok? Answer: If there are 11 students in front of Yoongi, and Yoongi is also in the line, that makes 12 people in front of Hoseok (the 11...
Question: Jimin's science score is 87, and his social studies score is 6 points higher than his science score. How many English points does he need to get an average score of 92 in science, social studies, and English? Answer: First, let's find out Jimin's social studies score. Since it is 6 points higher than his scie...
Question: There are three different natural numbers A, B, and C. When A is divided by 11, the quotient is B and the remainder is C. Find the largest number that can be C. Answer: The remainder when a number is divided by another number is always less than the divisor. Since A is divided by 11, the largest possible rema...
Question: There are 6000 Go stones in total. There are more white Go stones than black Go stones. When the difference between the number of white and black stones is subtracted from the total number of stones, the result is 4800. How many white Go stones are there? Answer: Let's denote the number of white stones as W a...
Question: Students rode the 15-seater ride once over 18 times. If each ride has 3 empty seats, what is the total number of students? Answer: If each 15-seater ride has 3 empty seats, then there are 15 - 3 = 12 students on each ride. Since the ride was taken 18 times with 12 students each time, the total number of stud...
Question: Eunji had 13 erasers. Yujeong had 4 erasers, and she got 3 more from her sister. Eunji gave her sister 7 erasers. Who has more erasers among Yujeong and Eunji? Answer: Let's calculate the number of erasers each person has after the transactions. Eunji originally had 13 erasers. She gave 7 erasers to her sist...
Question: There is a regular pentagon with a perimeter of 23.4 centimeters (cm). How many centimeters (cm) is one side of this regular pentagon? Answer: A regular pentagon has all sides of equal length. To find the length of one side, you divide the perimeter by the number of sides. Since the perimeter of the pentagon...
Question: I painted a trapezoidal roof. The upper side of the roof is 3.4 centimeters (cm) longer than the lower side, the height is 5.2 centimeters (cm) and the area is 100.62 square centimeters (cm2). How many centimeters (cm) is the length of the lower side of the roof? Answer: To find the length of the lower side o...
Question: Find the greatest common divisor of 32 and 24. Answer: To find the greatest common divisor (GCD) of 32 and 24, we can use the Euclidean algorithm, which involves a series of division steps. 1. Divide the larger number by the smaller number and find the remainder: 32 ÷ 24 = 1 with a remainder of 8. 2. Replac...
Question: Seoyeon has 4 blocks with numbers on them. Find the sum of the numbers on two blocks that maximize the difference between the numbers written in the block. The blocks are numbered 1, 3, 7, and 9. Answer: To maximize the difference between the numbers written on the two blocks, we should choose the blocks with...
Question: There were 34 people on the bus. At this stop, 11 people got off and 24 people got on. How many people are on the bus right now? Answer: Initially, there were 34 people on the bus. Then 11 people got off, so we subtract 11 from 34: 34 - 11 = 23 people remained on the bus. Next, 24 people got on the bus, so ...
Question: You originally planned to subtract 1264 from a number, but you mistakenly subtracted 2152. What is the difference between the correct and incorrect answers? Answer: Let's call the number you were supposed to subtract from x. The correct answer would have been x - 1264. The incorrect answer you got was x - 21...
Question: There are 120 liters (L) of water in the water tank. When you open the faucet in this water tank, 4 liters (L) of water flow out per minute. A few minutes after opening the faucet, 20 liters (L) of water remained in the water tank. Find how many minutes the faucet was left open. Answer: To find out how many m...
Question: There are two straps with a difference of 72 centimeters (cm). When I put these two in a row and measured the length, I got 3 meters (m) and 48 centimeters (cm). Find the length of the longer string. Answer: Let's denote the length of the shorter strap as \( S \) and the length of the longer strap as \( L \)....
Question: Find how many three-digit numbers with 2 in the hundreds digit and 5 in the tens digit are greater than 256. Answer: To find the three-digit numbers with 2 in the hundreds digit and 5 in the tens digit that are greater than 256, we need to consider the possible digits for the units place. Since the hundreds ...
Question: A number plus 14, multiply by 14, subtract by 24, and divide by 24 equals 13. If the calculation proceeds in order, find the initial number. Answer: Let's denote the initial number as \( x \). According to the given information, the sequence of operations on \( x \) is as follows: 1. Add 14 to \( x \): \( x...
Question: The four-digit number 7A2B is divisible by the least common multiple of 2, 3, and 5, and A and B represent different numbers. Find the largest of these four-digit numbers. Answer: The least common multiple (LCM) of 2, 3, and 5 is 30. For a number to be divisible by 30, it must be divisible by 2, 3, and 5. F...
Question: There is a milk carton in the shape of a cube. When all of these milk cartons were unfolded, the area was 600. Find the volume of this milk carton. Answer: If the milk carton is in the shape of a cube and it is unfolded, it would form six equal squares, since a cube has six faces. Given that the total area o...
Question: When you add 36 to a certain number, you get 71. What is the value when you add 10 to that certain number? Answer: Let's call the certain number x. According to the problem, when you add 36 to x, you get 71. This can be written as an equation: x + 36 = 71 To find the value of x, we need to subtract 36 from...
Question: When 2 times 2 plus the number is equal to 6, what number is it? Answer: Let's call the number you're looking for "n". According to the equation you've given: 2 times 2 plus the number (n) equals 6. So the equation is: 2 * 2 + n = 6 First, calculate 2 times 2: 4 + n = 6 Now, to find the value of n, subt...
Question: You want to place 6 flagpoles on the street at regular intervals. The length of the street is 11.5 meters (m), and it is said that there are flagpoles at both ends. How many meters (m) should the distance between flagpoles be? Answer: If there are 6 flagpoles and they are placed at regular intervals along the...
Question: How many 3-digit integers can be made by drawing 3 out of 4 marbles numbered 2, 3, 4, 5? Answer: To form a 3-digit integer by drawing 3 out of 4 marbles numbered 2, 3, 4, 5, we need to consider the different combinations of these numbers without repetition. Since the order in which we draw the marbles matter...
Question: Some numbers are in between 5 and 9 and are single-digits greater than 7. Find which number satisfies the condition. Answer: The numbers between 5 and 9 are 6, 7, and 8. Since we are looking for single-digit numbers greater than 7, the only number that satisfies the condition is 8.
Question: Jungwook ran 3.97 kilometers (km), and Yongun ran 4028 meters (m). Who ran the longer distance? Answer: To compare the distances run by Jungwook and Yongun, we need to convert either kilometers to meters or meters to kilometers since they are not in the same units. 1 kilometer is equal to 1000 meters. Jungw...
Question: It took 10 minutes to go 15.5 kilometers (km) by car driven by Hyun-soo's father. How many kilometers (km) he can go in 46 minutes at this speed? Answer: To find out how many kilometers Hyun-soo's father can go in 46 minutes at the same speed, we first need to determine the speed at which he was driving. Spe...
Question: There are three numbers 10, 11 and 12. What is the sum of the second largest number and the second smallest number? Answer: The three numbers are 10, 11, and 12. The second smallest number is 11. The second largest number is also 11. The sum of the second smallest number and the second largest number is: 11...
Question: You have 2 chances to draw from the basket. How many ways exist to draw a fruit from a basket containing 1 apple, 1 peach, 1 pear, 1 melon, and 1 strawberry while also considering the order of draw? Answer: Since the order of the draw matters, we are dealing with permutations. For the first draw, there are ...
Question: 5 balls are placed side by side. (e) ball is placed to the right of (c) and (e) to the left of (d). To the right of (a) is the ball (c), and to the left of (b) is the ball (d). Find the ball that is placed on the far left. Answer: Let's analyze the information given step by step: 1. (e) is placed to the righ...
Question: Subtracting 7 from a number gives 9 as a result. What is the result of the number being multiplied by 5? Answer: Let's call the number x. According to the given information, subtracting 7 from x gives 9: x - 7 = 9 To find the value of x, we add 7 to both sides of the equation: x - 7 + 7 = 9 + 7 x = 16 No...
Question: Make each square and rectangle from two pieces of wire of 52 centimeters (cm) long. If the width of the rectangle is 15 centimeters (cm), what is the difference between the areas of the two figures? Answer: First, let's find the dimensions of the square and the rectangle using the given wire lengths. For the...
Question: You want to create a three-digit number by using three from 0, 2, 4, and 6 and using them only once. Find the value of the sum of the largest and smallest possible numbers. Answer: To create the largest possible three-digit number using the digits 0, 2, 4, and 6, we need to place the largest digit in the hund...
Question: There is a trapezoid with an upper side of 12 centimeters (cm) and a lower side that is 4 centimeters (cm) longer than the upper side. If the height of this trapezoid is 10 centimeters (cm), how many square centimeters (cm2) is its area? Answer: To find the area of a trapezoid, you can use the formula: Area ...
Question: There are three different numbers A, B and C. Find A from the three-digit addition formula ABC+ABC+ABC=954. Answer: Let's break down the three-digit addition formula given: ABC +ABC +ABC ----- 954 Since A, B, and C are the same digits in each of the three numbers being added, we can simplify the problem by...
Question: The average math score of 5 students in the competition class was 81.6. Calculating the average without the highest score is said to be 6 points lower than the average without the lowest score. Let's say that the scores of the other 3 people excluding the highest and lowest, are 88, 84, and 76. Find the lowes...
Question: There are 35 female (a) animals at the zoo. The number of female animals is 7 less than the male animals. How many (a) animals are there in all? Answer: Let's denote the number of male animals as m. According to the information given, the number of female animals, which is 35, is 7 less than the number of mal...
Question: When there are four numbers 10, 11, 12, and 13, which number is the second largest? Answer: The second largest number among 10, 11, 12, and 13 is 12.
Question: Dongkyun, Youngtak, and Seunghwan have snacks. If Dongkyun has more cookies than Youngtak and Seunghwan has more than Dongkyun, who has the most cookies? Answer: Seunghwan has the most cookies because he has more than Dongkyun, who in turn has more than Youngtak.
Question: There is a chicken pizza set menu in which you can choose one of four kinds of chicken and one of three kinds of pizza. When Eunsung and Sungmin are ordering the set menus, what is the number of cases in which they order only one same kind of menu among pizza and chicken? Answer: To find the number of cases i...
Question: The students in Eunji's class stand in three lines with the same number of students in each line each time they do exercise (A). Eunji is always 3rd from the front and 6th from the back in a row. How many students are there in Eunji's class? Answer: If Eunji is 3rd from the front and 6th from the back in her ...
Question: The salt water concentration in a 200-gram (g) cup is 25%. Another cup containing 300 grams (g) contains 60 grams (g) of salt. What is the concentration of salt water when two cups of salt water are mixed? Answer: First, let's find out the amount of salt in each cup. For the first cup: The concentration of s...
Question: There is a rectangular wall. If the width of this wall is 5.4 meters (m) and the length is 2.5 meters (m), what is the area in square meters (m2)? Answer: To find the area of a rectangle, you multiply the width by the length. So, the area of the wall is: 5.4 m (width) * 2.5 m (length) = 13.5 m² Therefore, ...
Question: Add 45 to a number, divide by 2, then divide by 2 again and add 45 to get 85. Find this number. Answer: Let's call the number we are trying to find "x". According to the problem, we first add 45 to x, then divide by 2, divide by 2 again, and finally add 45 to get 85. So, the equation based on the given oper...
Question: When 6 people A, B, C, D, E, and F are to be lined up in a line, find the number of ways to put C, D, E next to each other. Answer: To solve this problem, we can consider C, D, and E as a single unit since they must be next to each other. This single unit, along with the remaining individuals A, B, and F, giv...
Question: Adding 19 to A gives 47. How much is A? Answer: To find the value of A, you can set up the equation: A + 19 = 47 Now, subtract 19 from both sides of the equation to solve for A: A = 47 - 19 A = 28 Therefore, A is 28.
Question: I am trying to draw one out of 0, 1, 3, and 5 to make a 3-digit number. Add the largest and smallest possible numbers. Answer: To create the largest possible 3-digit number, you should use the largest digits available in the descending order. From the given digits 0, 1, 3, and 5, the largest digit is 5, follo...
Question: In a cube-shaped box, how many edges are there? Answer: A cube has 12 edges.
Question: Minji has 0.74 meters (m), Seungyeon has 13/20 meters (m), and Hyesu has 4/5 meters (m) of colored tape. Who has the longest colored tape? Answer: To determine who has the longest colored tape, we need to compare the lengths in the same unit. Minji's length is already given in meters, so we'll convert Seungye...
Question: The four toy trains are numbered 7, 6, 8, and 5. When you put them in order to make a four-digit number, what is the sum of the third largest number and the third smallest number you can make? Answer: To find the third largest number, we need to arrange the trains in descending order first and then change the...
Question: If 2, 6, and 9 are used only once to form a three-digit number, what is the largest number? Answer: To form the largest three-digit number using the digits 2, 6, and 9, you would place the largest digit in the hundreds place, the next largest in the tens place, and the smallest in the ones place. Therefore, t...
Question: There are 12 frogs inside the pond and 6 frogs outside the pond. How many frogs are there in all? Answer: To find the total number of frogs, you add the number of frogs inside the pond to the number of frogs outside the pond. Inside the pond: 12 frogs Outside the pond: 6 frogs Total number of frogs = 12 fro...
Question: You are going to cut a rectangular wooden plank which is 112 centimeters (cm) wide and 63 centimeters (cm) long to make square wooden planks with a side length of 7 centimeters (cm). How many can you make in total? Answer: To find out how many square wooden planks with a side length of 7 cm can be made from t...