Physical quantity - math word problems - page 262 of 334
Number of problems found: 6672
- Mr. Ben
Mr. Ben drives bricks to the construction site. If he drove three times a day, he would make bricks in 8 days. How many times a day would he go every day to be done two days earlier?
- Electric energy
There are 875 identical light bulbs in the sports hall lighting for 2 hours. How long does the same amount of electricity consume 100 such bulbs?
- Distilled water
Seawater contains 5% salt. How much distilled water should be poured into 40 kg of seawater so that the salt content is 2%? How many kilograms of 2% of seawater do we get?
- Accumulator 82755
The battery capacity is 50 Ah. With a current of 5A, we charge the accumulator to 100% capacity in 10 hours. To what percentage of capacity can we charge the accumulator with a current of 2A in 15 hours?
- Dimensions 81240
What is the scale of the city plan if the new football field with dimensions of 90m by 120m is shown on it as a rectangle with dimensions of 3cm by 4cm?
- Building a wall
If 12 men can build a wall 398 meters long in 48 days, how long would it take 33 men to build a wall 347 meters long? Answer to 3 decimal places.
- Manufacturer 67024
The car manufacturer states that the car consumes an average of 6.8 liters of gasoline per 100 km. How many liters of petrol does it use for a 348 km journey?
- Following 60793
I want to turn to help with the following example. How do I reach an 8% solution? I need to mix 3.5% milk with 33% cream. Thank you for being so helpful.
- Together 17881
Six maids make 200 beds in 2 hours. One maid makes 50 beds alone. Then, they all continue together. How long will it take them to make the rest of the beds together?
- Contains 6176
Does the yeast cake contain milk, yeast, sugar, and flour in a ratio of 20:4:1:15. How much sugar do we need to make 160 kg of yeast?
- Timetable 3401
The train ran the distance between stations at a speed of 90km/h for 4 hours. What speed can he drive if, according to the new timetable, the journey takes an hour longer?
- Calculate 3320
The farmer has a supply of oats for 5 horses for 12 days. Calculate how many horses would consume the same supply of oats in 1 day. Calculate how many days it would take 6 horses to consume the same oats supply. (The daily ratio for one horse does not cha
- Cube 3
How many times will increase the volume of a cube if we double the length of its edge?
- Room dimensions
The room dimensions are 5m and 3.5m, and the height is 2.85m. Paint the room (even with the ceiling). There will be two layers. Doors and windows have a total of 2.5 m². One box of paint is enough for 6 m². How many boxes of paint are needed? How much do
- Increase 25941
How many times does the volume of a cube increase if we enlarge its edge three times?
- Acceleration of point
The mass point moves evenly along a circle with a radius of 1.2 m at an angular velocity of 25 rad/s. Determine the frequency, period, and centripetal acceleration!
- Cross-section 81879
The castle has a length of 4 m and a cross-section in the shape of a square whose side is 15 cm long. Eight such castles must be painted. One kilogram can is enough for 6 m² of coating. How many cans of paint should be bought?
- Trapezoidal 24731
Calculate how many candies fit in a box shaped like a 4-sided prism with a trapezoidal base with base dimensions of 20 cm and 3.2 cm. The distance between the bases is 50 mm. The container is 32 cm high, and 1 candy occupies 2.5 cm³ of volume.
- Cheops pyramid
The Pyramid of Cheops is a pyramid with a square base with a side of 233 m and a height of 146.6 m. It is made from limestone with a density of 2.7 g/cm³. Calculate the amount of stone in tons. How many trains with 30 twenty-ton wagons carry the stone?
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