Physical quantities - math word problems - page 258 of 298
Number of problems found: 5952
- The room
The room has a cuboid shape with dimensions: length of 50 m and width of 60 dm, and height of 300 cm. Calculate how much it will cost to paint this room (the floor is not painted) if the window and door area is 15% of the total area and 1 m² costs 15 euro - Cardboard box
We want to make an open-top cardboard box in the shape of a quadrilateral prism with a rhombus-shaped base. The rhombus has a side of 5 cm and one diagonal of 8 cm. The height of the box is 12 cm. How many square centimetres of cardboard are needed if ove - Air bubble
The air bubble at the bottom of the lake at a depth of h = 21 m has a radius of r1 = 1 cm at a temperature of t1 = 4 °C. The bubble rises slowly to the surface, and its volume increases. Calculate its radius when it reaches the lake's surface, with a temp - Six students
Two pupils painted the class in four hours. How long will it take for six pupils? - Interest rate
The interest for one year on the deposit of € 2,000 was € 18. What was the annual interest rate in percent? - Oats supply
Five horses will eat through the oat supply in 15 days. How many days will the supply last for three horses? - Friends
Five mates traveled, and the journey lasted 195 minutes. How long would travel only one of them? - Pit soil volume
The lime pit has the shape of a quadrilateral prism with dimensions of 2 m, 1.8 m, and 1.5 m Calculate the pile volume from the excavated soil, which, due to fluffing, is 20% larger than the volume of the pit. - Test time percentage
The time required to complete the test has a normal distribution with a mean of 50 minutes and a standard deviation of 10 minutes. What percentage of students take the test within 30 minutes? - Deposit account
How much money will be in the account after ten years if you deposit $4500 at a quarterly 5% annual interest compound? - Gas Air Weight Ratio
One m³ of air weighs 13/10 kg, and the same volume of natural gas weighs 4/5 kg. How many times lighter is the gas than air? - The scale
The distance of 15 cm on the map corresponds to 27 km in reality. What is the scale of the map? - Triangular prism
Calculate the surface of a triangular prism 10 cm high, the base of which is a triangle with sides of 6 cm, 8 cm, and 8 cm - Kamal
Kamal walks to his school, which is 3 km from his home, in 30 minutes. On reaching, he finds that the school is closed and comes back by bicycle with his friend and reaches home in 20 minutes. His average speed in km/h is - Special watch
Frank bought a special watch on the market. It has only one (minute) hand and a display showing the angle between the hour and minute hands. How many hours was his watch shown? The minute hand points to number 2; the display shows 125°. - Gold ring
A gold ring with a width of 1 cm is made by drilling a sphere with a radius of 1 cm through its center. A gold bracelet with a width of 1 cm is made by drilling a sphere with a radius of 4 cm through its center. Which piece of jewelry will be worth more i - Ground speed
The plane flies south at an average speed of 190 km/h, and the wind blows from west to east at a speed of 20 m/s. How fast and in what direction (relative to the meridian) will the plane move relative to the ground? - Five mechanics
Five mechanics can build a car in a certain amount of time. How many cars can 30 mechanics build in the same amount of time? - Distance traveled
Lada drove 27 km in 3 hours. How many km will he go in 7 hours? - 5 pumps
Five pumps to pump 3 hours 1400 hl of water. How long pumped the same amount of water from four pumps?
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