Math practice for 13 year olds - page 113 of 413
Number of problems found: 8253
- Colored area
How large is the area colored brown inside a square of side 6 cm if each of the four brown circular segments is from a circle with a radius of the length of the square's side? The length of the circular segments is equal to the length of the side of the s - Line point division
Draw a point x on the line, which divides it in the given ratio: a) 2:3 b) 1:5 c) 6:2 - Two teacher
Two teachers are to share ₱3,000. If the money is divided in the ratio 3:5, how much does each teacher receive? - Madam 2
Madam Lowa bought four cakes and four puffs for $16. Each cake costs $0.50 more than each puff. How much did one puff cost? - Average spending
If Rina's cell phone bills for the past five months have been $91, $69, $74, $56, and $70, what was her average cell phone bill for the past five months? - Mis Harding
Ms Harding will change her floor tiles. The room measures 2 1/2 yards by 2 1/2 yards. What is its area? A. 6 1/4 B. 4 1/2 C. 8 1/2 D. 5 1/4 - Tickets 11
There are 72 tickets to be shared and divided between Section X and Section Y in the ratio of 4:5. How many tickets will Section Y receive? - Collection of candies
We mixed two types of candies into the collection. The first species is for 36 CZK per 1 kg, and the second species is for 54 CZK per 1 kg. What was the price of one kg of a mixture? - In the city 2
In the city Náhoda (Coincidence), they abolished the timetables and the city buses run completely randomly. Imagine that you are standing at a bus stop, at which 5 buses stop with numbers 12, 14, 15, 21 and 27, and you can get home by two of them. a/What - Painter area days
Eight painters painted an area of 15200 m² in 5 days. How many painters will paint a room of 13680 m² in 3 days? - Cylinder diameter height
The cylinder's volume is 5 l, and its height is equal to half the diameter of the base. Find the dimensions of the cylinder. - Worker output increase
Two workers work equally efficiently and together can complete a given task in 5 hours. One worker improved his machine, changed his workflow, and increased his output by 40%. How long will it take both workers to complete the given task? - Diamond height angle
What is the height of a diamond with a side 6 cm long if the angle formed by the sides is 78 degrees and 10 '? - Team performance increase
In a 17-member team, two workers fell ill. By what percentage must the others increase their performance to accomplish at least as much as when the team is at full strength? - Rectangle area dimensions
How many rectangles with side lengths expressed in natural numbers have an area of 96 cm²? - Minute hand circumference
What part of the circle's circumference will the minute hand pass in 15 minutes? - Runner opposite speed
Two runners train on a circular track that is 375 m long. When they start from the same place and run in opposite directions, they meet in 30 seconds. When they run in the same direction, they are 15 m apart in 30 seconds. What is the average speed of eac - A cyclist
A cyclist rides for 30 minutes on a style road to the top of a mountain. Down there, the road goes downhill. Its uphill speed is 20 km/h and 60 km/h downhill. The distance from the mountain's summit to its destination is 30 km. Calculate the average speed - Safe key locks
We have to distribute the keys to the safe among four people so that no two of them can open the safe but in such a way that any three can open the safe. How many minimum keys do we need? How to divide them? How many minimum locks must be on the safe? All - Prague Huddersfield scale
Prague's direct distance to Huddersfield (United Kingdom) is 1680 km. What is the map's scale, at which this distance is 84 cm?
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