Math practice for 13 year olds - page 261 of 424
Number of problems found: 8465
- Compartments 7275
Tomáš has two compartments with CD-ROMs. The arithmetic average of the number of CDs in both bins is 30. If he added 10 more CDs to the first bin, there would be 1.5 times more CDs than in the second bin. How many CDs are in each compartment? - Motorcyclist and cyclist
At noon, a cyclist left Šumperk for Olomouc at a 20 km/h speed. Thirty minutes later, a motorcyclist drove up behind him at 60 km/h. At what distance and at what time did the motorcyclist overtake the cyclist? - Simultaneously 7272
The distance from Žilina to Košice is 260 km. From both places, 2 cars started opposite each other simultaneously. A car from Žilina travels at a speed of 58 km/h. The speed of a car from Košice is 72 km/h. In how many hours will these two cars meet? - Mathematics 7270
Mišo has also been preparing for testing 9 for a long time. He devotes a third of his time to Czech, half of his time to mathematics, and discusses with his father for 10 minutes. How many minutes a day does Mišo prepare? - A report
Maricris can type a committee report in 5 hours. Jane helped Maricris, and together they finished the report in 3 hours. How long would it take Jane to complete the report she had worked on alone? - Middle finger
Jana counts on one hand one by one. She starts counting from her thumb through her index finger, middle finger, and ring finger and comes to her little finger and has the number 5. Then she immediately returns to her ring finger (6), to her middle finger - Craftsman 7263
To make a ladder, the craftsman needs to cut as many rungs of the same length as possible. He is to cut them from two boards, one is 220cm long, and the other is 308cm long. How long will the bars be, and how many will there be? - Perctentages
35% of what number is 35? - Bob traveled
Bob traveled 20 meters to Dave's house. He arrived in 3 minutes. What was his average speed for the trip? - In the cinema
There were 560 people in the cinema. 35% of them wore glasses. Of this number, 25% were women. How many men wore glasses? - RT - inscribed circle
In a rectangular triangle with sides lengths> a = 30cm and b = 12.5cm, the right angle is at vertex C. Calculate the radius of the inscribed circle. - LCD two fractions
What is the least common denominator of 11/15 and 12/19? - Calculate 7246
The dice have a volume of 80 cm³. Calculate the edge size in mm. - On the 4
On the way to play disc golf with his two boys, Mr. Smith purchases three muffins and two water bottles, totaling $9.75. The following week he only had Asher with him, so he bought two muffins and one bottle of water totaling $6.00. What is the cost of on - Midpoint 4
If the midpoint of a segment is (6,3) and the other endpoint is (8,-4), what is the coordinate of the other end? - Coordinates of midpoint
If the midpoint of the segment is (6,3) and the other end is (8,4), what is the coordinate of the other end? - Dirty road
Mr. Smith is on a road trip to a remote disc golf course 180km away. He travels part of the way at 100km/h along the highway and part of the way at 50km/h along dirt roads. If it took 2 hours to get there, how many hours did he spend on dirt roads? - Hundred 7239
Each of the six horses ate just 75 days in a hundred days. How many and at least days could be during which at least five horses ate? - Ladder
Adam placed the ladder of the house, the upper end reaching the window at the height of 3.6m, and the lower end standing on level ground and distant from a wall of 1.5m. What is the length of the ladder? - Children 7228
SK Sarkan attends by 160 children, 48 more girls than boys. One hundred ninety-two children attended SK Dra. There are three times more boys than girls. How many boys and girls are there in each club?
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
