Themes, topics - math word problems - page 127 of 174
Number of problems found: 3477
- In and out
The empty tank is filled in 12 minutes and empty in 16 minutes. If we forget to close the drain, how long does it take to fill? The tank has 1000 liters of volume. - Race Length from Fraction
Cyclists ran 3/7 of the total length during the race and had 80.5 km to finish. How long is the race? - MW oven
You plug a microwave oven into a 20 amp electrical circuit. The microwave uses as much as 12.5 amps. How many amps are available on this circuit for other appliances? - Plane Chase Time
A Boeing plane took off from the airport and flew at a speed of 900 km/h. When it had flown 600 km, a fighter plane was sent after it from the same airport, which flew at a speed of 2100 km/h. Calculate how long it took him to catch up. - Wheel Rotations at Speed
The diameter of the wheel is 56 cm. How many times does it turn in 5 minutes if traveling at 60 km/h? - Railroad
The railroad runs parallel to the railway. The train travels at 36 km/h on track. In the opposite direction, the motorcycle rides at 90 km/h. The train passes in 3 seconds. How long is a train? - Tea mixture
Of the two sorts of tea for 180 CZK/kg and 240 CZK/kg, we make a mixture of 12 kg that we should prepare for 200 CZK / kg. How many kilos of each sort of tea will we need to be mixed? - Tractors
Two tractors plow the field for 4 hours together. If the first tractor plowed half of the field and then the second tractor completed the job, it would take 9 hours. How many hours does the field plow for each tractor separately? - Three Groups Work Shifts
A group of fitters installed the cable line in 9 changes, and the second group completed the same task in 1/3 less time. How many shifts would the third group do the same work if, with all three groups working together, the assembly took 2 shifts? - MO Z6-1-3 2017 chessboard
Veronika has a classical chessboard with 8×8 cells. The rows are marked with digits 1 to 8, the columns with letters A to H. Veronika placed on the cell B1 a knight, which can be moved only as in chess. 1. Is it possible to move the knight in four moves t - Loan Repayment with Interest
Calculate how long it will take the Šetrný family to repay the loan if, after the first year, they paid €1350 in interest and the loan's interest rate was 6% p.a. They will repay the loan to the bank for €3,000 each year, and the bank will only add intere - Dried fruit
The manufacturer produces a mixture of dried fruit. He purchased: 10 kg pineapple for 200 Kc/kg 2 kg papaya for 180 kc/kg 1 kg of banana for 400 Kc/kg How many kgs of raisin for 80 Kc/kg must be put into the mix by the manufacturer so that the production - Motion of cars
The route from Zlín to Liberec via Olomouc and Hradec Králové measures s = 300 km. a) Mr. Horák set out from Zlín at time tH = 16:00 h with a truck at an average speed of vH = 40 km/h. At time tN = 17:30 h, Mr. Novák set out after him by car with an avera - Socík
On the construction site of a new housing estate in Kladno-Kročehlavy, students from the state labour reserve carried out machine plastering of the masonry. 5 students using machines plastered 10 square metres more masonry than 6 plasterers working by han - Vehicle speed
An accompanying vehicle set off behind the car with an oversized load moving at a speed of 16 km/h in 2.5 hours, which must reach it in 45 minutes. What speed does he have to go? - Mixture
How many percentage mixtures do we get by adding 23 ml of matter to 89 ml of water? - The cruise ship
The cruise ship speeds 12 km/h at a calm surface. When we sailed 45 km along the river and 45 km back, it took us exactly 8 hours. Which (constant) speed of flow of the river? - Bus Route Length
The long-distance bus driver went 2/5 of the route length in the morning and 1/3 of this length in the afternoon. He still has 60 km to the finish. How long is the long-distance bus route? - Work
The first worker would need less than 4 hours to complete the task than the other worker. In fact, both workers worked for two hours together. Then, the first worker did the remaining work himself. In what proportion should the remuneration of the workers - Filament of bulb
A light bulb's filament has a resistance of 1 ohm and is connected to a voltage of 220 V. How much electric charge will pass through the filament in 10 seconds?
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