Themes, topics - math word problems - page 27 of 168

Number of problems found: 3360

Ring gold volume
The ring weighs 28g and has a volume of 2cm³ to find out if it is made of pure gold.
Vehicle speed ratio
The speeds of two motor vehicles are in the ratio 7:4. How many kilometers will the slower vehicle travel simultaneously, if the faster vehicle travels 52.5 km?
Worker road repair
Six workers repair 48 meters of municipal road in 2 days. How many days will 3 workers with the same output repair 60 meters of the road?
Copper cylinder cooling
A copper cylinder weighing 15 kg transferred 114.9 kJ of heat to the surroundings during cooling. By how many degrees Celsius did it cool down?
KiloJoules energy
In the washing machine, 6 liters of water were heated from a temperature of 22 degrees to 62 degrees. Find out the weight of 6 liters of water. What heat (in kJ= kiloJoules) did the water receive?
Classroom plan width
The classroom is 6.8 m wide. Determine its width on a 1:50 scale plan.
Plan scale determination
Determine the scale of the plan if the actual length of 51m is shown on the plan by a segment of length 3cm.
Loan yield percentage
You lent €400. The borrower paid you €440 back in 5 months. What was the yield on this loan?
Deposit interest growth
How much will the deposit grow at an interest rate of 10% p.d. a. for 72 days by €6?
Car wash help
Four guys would finish washing cars at a gas station in 4 hours. After one hour, two more friends come to help them. How long will it take to finish the car wash?
Lathe part production
Four lathes machine 32 parts in 1 hour. How many parts does 1 turner machine have in 2 hours?
Bus interval frequency
If the interval between bus arrivals is shortened by one minute, there will be 5 more buses on this route per hour. How many buses ran on the original route? (Recommended: solve with an experiment or a table where we look for the dependence between the le
Perpendicular forces
Distribute the force of magnitude F = 100 N into two perpendicular components with magnitudes F1 and F2 so that the angle between forces F1 and F is 43°52'.
Water pressure bottom
The hydrostatic pressure at the bottom of a cylindrical water container is 10 kPa. The bottom has an area of 0.25m². How much pressure does the water exert on the bottom?
Map scale setting
2.5 cm on the map represents 6.25 km in reality. Set the scale of the map.
Cooker electrical work
A cooker connected to a 40 V voltage source draws a current of 0.5 A. Determine the amount of electrical work the cooker does in 3 minutes.
Cube substance density
What kind of substance is it if it is enclosed in a cube with a volume of 8 m³ weighing 110 kg and the entire cube weighs 115.78 kg?
Hop picker hiring
Eight hop pickers harvest in 24 days. How many more pickers must be hired if the hops need to be harvested in 16 days?
Column water force
A concrete column with a density of 3500 kg/m³, a height of 6 m, and a square base of a=25 cm lies at the bottom of the dam at a depth of 10 m. At the upper end, it is lifted by a rope by a crane. 1) with how much force does the pole stretch th
Basement pump water
After the flood, the Nováks would pump water out of the basement with one pump in 120 minutes, the second in 300 minutes, and the third in 600 minutes. How many minutes will it take them to pump the water out of the basement if they use all the pumps at o

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