Maths practice for 11-year-olds. - last page
Number of problems found: 4499
- Circles
For the circle c1(S1; r1=109 cm) and c2(S2; r2 = 152 cm) is distance of centers |S1S2| = 261 cm. Determine the distance between the circles. - Aquarium
An aquarium is a rectangular box with a square base containing 62 liters of water. The length of the base edge is 34 cm. To what height does the water level rise? - Shape
The plane shape has a maximum area 677 mm². Calculate its perimeter if the perimeter is the smallest possible. - Maximum area of rhombus
Calculate the interior angles at which the equilateral rhombus has a maximum area. - Pension or fraud
Imagine your entire working life working honestly and paying taxes and Social Insurance (in Slovakia). You have a gross wage 970 Euros. You pay social insurance (you and your employer) monthly € 310 during 41 years, and your retirement is 446 Eur dur - Rhombus angles
If one angle in the rhombus is 137.6°, what is its neighboring angle in the rhombus? - Rhombus HP
Calculate the area of the rhombus with height 48 cm and perimeter 64 cm. - Rhombus problem
The perimeter of the rhombus is 268 m, and its area is 2278 m². Calculate the height of the rhombus. - Playground
The rectangular playground is fenced with 38 m long netting. Its width is 7 m. Calculate its length. - Garden plot
Calculate how many meters of the fence need to fence the square garden with a length and width of 12 meters. - Scientists from the Social Insurance
Pavol became on sick leave, and social insurance granted him sick leave of 12.68358032 EUR per day. Calculate the number of days to save Pavol from rolling in the price of 0.15 Eur if they postpone the amount of the last decimal place of his sickness ever - Triangles
An equilateral triangle with a side of 16 cm has the same perimeter as an isosceles triangle with an arm of 23 cm. Calculate the base x of an isosceles triangle. - Ratio
5 numbers are in the ratio 1:2:4:5:5. Their sum is 29172. What are the numbers? - Salary raise
The monthly salary was 927 Eur. During the year, it was raised to 1075 Eur. Calculate the month from salary was increased that employee earned 12604 Eur during the whole year. - Reconstruction of the corridor
Calculate how many minutes will be reduced to travel a 213 km long railway corridor, where the maximum speed increases from 120 km/h to 160 km/h. Calculate how many minutes will shorten travel time if we consider that the train must stop at 6 stations. Ea - Ultra expensive ramps
The village Čakajovce have two-level railway crossings (the ramps), the railway company ZSR decided to replace it. The price for upgrading the two crossings is 302065 Euros. Calculate how we can obtain many houses for 77000 euros at this price. Calculate - Trolleybus
Trolleybus line No. 215 measured 30 km. If the trolley bus goes faster by 4 km/h, the way there and back would be shorter by 39 minutes. Calculate the trolley bus speed and time for a return trip. - Homeless Dezider
Homeless Dežko has 7 coins in his jacket: . Calculate the value of its assets and calculate how many bottles of beer for 0.55 EUR it can buy. - Volatile percents
Peter is working as a forex trader. He suffered a loss of 60.1 percent. Calculate what percentage you must now earn to lift from loss.
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
