Multiplication - practice for 11 year olds - page 30 of 31
Number of problems found: 603
- Theater
The theater has each row with 15 seats. The ticket to the first 7 rows is for 26 EUR. The next row is for 13 EUR. The theater was completely sold out. Revenue was 5850 EUR. How many rows are in the theater? - Aircraft
If an airplane flies 846 km/h for 8 h, how far does it travel? - Diophantus
We know little about this Greek mathematician from Alexandria, except that he lived around the 3rd century A. D. Thanks to an admirer of his, who described his life through an algebraic riddle, we know at least something about his life. Diophantus's youth - Brick weight
The brick weighs 4 kg and a half-brick. How much does one brick weigh?
- Motion problem
From Levíc to Košíc, go car at speed 81 km/h. From Košíc to Levíc, go another car at speed 69 km/h. How many minutes before the meeting will be cars 27 km away? - Windows
Calculate the masonry area to build a wall with dimensions of 18 m × 5 m with 3 windows of size 51 cm × 51 cm. - Motion
If you go at speed 5.5 km/h, you come to the station 33 minutes after leaving the train. If you bike to the station at speed 29 km/h, you come to the station 52 minutes before its departure. How far is the train station? - Christmas
Calculate how much of the school year (202 days long) take Christmas holidays 19 days long. Answer write as a decimal number and as a percentage. - Youth track
Youth track from Hronská Dúbrava to Banská Štiavnica, which announced cancellation attracted considerable media attention and public opposition, has cost 6.3 euro per capita and revenue 13 cents per capita. Calculate the size of subsidies to a trip group
- Numbers
Determine the number of all positive integers less than 4183444 if each is divisible by 29, 7, 17. What is its sum? - Cats
Two cats caught two mice in two days. How many mouses will catch 6 cats for 6 days? - ŽSR
Calculate fixed annual personnel costs of operating monorail line 115 km long if every 7 km is a station that serves three people - one dispatcher and two switchmen in 4-shift operation. Consider the average salary of the employee 829 euro. - Chocolate
How many times do we have to break a chocolate bar composed of 10 × 12 pieces to get the 120 parts? - Compare
Compare fractions (34)/(3) and (12)/(4). Which fraction of the lower?
- Colors
Arnold got birthday 7 color pens in different colors. How many ways can he give them side by side in pencil? - Hole
They fill the shape hole with dimensions 2.9 m, 17 m, 15.2 m with 97 m³ of soil. How much percent does it fill up? - Bricks
Brick has volume 2.4 dm³. How many bricks can drive a truck with a capacity of 15 ton? The density of brick is 2 g/cm³. - Rainfall
Annual rainfall in our country is an average of 797 mm. How many m³ of water rains on average per hectare? - Right triangle
Right triangle legs have lengths 630 mm and 411 dm. Calculate the area of this triangle.
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