# Units - math word problems

#### Number of problems found: 3330

• Density - simple example
Material of density of 532 kg/m3 occupies a container volume of 79 cm3. What is its mass?
• Trunk
Calculate length of the biggest fishing rod can be inserted into the trunk of a car with dimensions 165 x 99 × 85 cm?
• Wood in the forest
The amount of wood in the forest was estimated at 6000 m3. How much wood will be in forest after 2 years if the annual growth of wood is 2.5% each year and logging 30 m3 each year?
• Tesco Clubcard
Bernard got on a quarterly billing vouchers for Tesco ClubCard taking goods worth 2.3 Eur. Calculate how much per month on average in Tesco bought goods. Tesco ClubCard worksfor every Euro spent you get one ClubCard point that will be converted to 1 euroc
• Gear wheels
Two gear wheels, which fit together, have the number of teeth z1=58 and z2=149. Calculate the speed of the first wheel, if the second wheel rotates 1232 revolutions per minute.
• Collective irresponsibility
At the Internet, time is very uncomfortable for the state that no more gaffe or waste is no longer possible to hush up as if people were at home with only two television channels censored. An example of the effectiveness of state can be Bridge at Komořany
• Earth parallel
Earth's radius is 6370 km long. Calculate the length parallel of latitude 50°.
• Isosceles right triangle
Calculate the area of an isosceles right triangle whose perimeter is 377 cm.
• Air mass
What is the weight of the air in a classroom with dimensions 10 m × 10 m × 2.7 m ? The air density is 1.293 kg/m3.
• Fan
The fan has a speed of 210 RPM. Calculate for time of one fan period.
• Present
Gift box has rectangular shape with dimensions of 8×8×3 cm. Miloslav wants to cover with square paper with sides of 18 cm. How much paper left him?
• Box
Calculate the angle between box base 9 x 14 and body diagonal length 18.
• The angle of lines
Calculate the angle of two lines y=x-21 and y=-2x+14
• Pump
What power has a pump output to move 4853 hl of water to a height of 31 m for 8 hours?
• Sphere
The surface of the sphere is 12100 cm2, and the weight is 136 kg. What is its density?
• Monkey
Monkey fell in 40 meters deep well. Every day it climbs 3 meters, at night it dropped back by 2 m. On what day it gets out from the well?
• V-belt
Calculate the length of the belt on pulleys with diameters of 105 mm and 393 mm at shaft distance 697 mm.
• Circle arc
Circle segment has a circumference of 135.26 dm and 2096.58 dm2 area. Calculate the radius of the circle and size of central angle.
• Rectangle
Area of rectangle is 3002. Its length is 41 larger than the width. What are the dimensions of the rectangle?
• VAT
VAT is a tax which the state artificially betrays goods and services for final consumption. VAT in Slovakia is 20%. Calculate how much percent pay less tax residents of Japonska, when VAT is only 5%.

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