Time - math word problems - page 22 of 163
Number of problems found: 3254
- Paving 2
It will take a construction company 8 working days to pave the sidewalks on two streets in a city if all 6 pavers work. However, only 4 pavers can complete the job because the other two have been dismissed. How many working days will it take the group of - Shadow - an observation tower
How tall is the observation tower if it casts a shadow 9.6 m long at exactly the same moment that a half-meter pole casts a shadow 30 cm long? - Didactic test B0
A tourist cycled 28 km on an asphalt road and 25 km on a dirt road, which took 3 hours 36 min. At what speeds did the tourist travel the individual sections of the road if he rode 1.4 times faster on the asphalt road than on the dirt road? - Calorimetric equation
A 200g aluminum cylinder at 180°C was dropped into 3kg water at 25°C. At what temperature did the resulting temperature stabilize? The specific capacity of water is 4200 J/kg °C, aluminum 896 J/kg °C, - Elevator efficiency
To what height will an elevator motor with a power of 25 kW and an efficiency of 48.6% transport a cabin weighing 445 kg with seven people (the average weight of one person is 64 kg) if it takes 54 seconds? - Standard
What will be the speed of a two-pole synchronous motor connected to a standard network with a frequency of 50Hz? In revolutions per minute. - Weighing 83881
From what height did a body weighing 9.8 kg fall if it hit the surface at a speed of 100 km/h? - Minutes 83870
How many minutes is five-sixths of half an hour? - Motor efficiency Calculate the power input of a motor operating at an efficiency of 58% that will lift an elevator car (weighing 390 kg) with twenty boxes (each 25 kg) to a height of 85 m in 29 seconds.
- Acceleration - gravity
What is the gravitational constant (acceleration) if a body with a mass of 5.8 kg fell from 68 meters and hit the ground at a speed of 60 km/h? - Borrowed
Mr. Douda borrowed 200,000 SK from the bank at an annual interest rate of 15.4%. He will repay the loan after four years. How many korunas will he have to repay? - Emptying a tank
A water tank is emptied by one pump in 12 hours, by the second in 9 hours, and by the third in 4 hours. How many hours will it take to empty if all 3 pumps are turned on? - Chord 24
A chord with length t = r times the square root of two divides a circle with radius r into two circular segments. What is the ratio of the areas of these segments? - Insulating a house
Five workers are working on insulating a house at such a pace that they could finish the job in 18 days. After three days of work, two workers were called away to another construction site. In how many days will the remaining workers finish the job? - Classmates 2 Classmates Peter, Vlado, and Michael arrived late to school. Peter was 1/4 hour late, Vlado was 2/8 hours late and Michael was 4/16 hours late. How many minutes late was each of them?
- Minutes 83811 How many minutes is 45% of four hours?
- Client A bank client had €1,320 deposited in her account throughout the year. At the end of the year, €33 in interest was credited to the account. What interest rate was used to determine the principal?
- Write 18
Write as a fraction, what part of the day Tina did various activities: a) sleep 9 hours, b) school 6 hours, c) television 0.5 hours and d) studying 1.5 hours. - One-time payment
The price of a refrigerator is 7500 CZK for a one-time payment. If the customer chooses to purchase in installments, he will pay 800 CZK every month for 1 year. Determine by how much percent the customer will pay more for the refrigerator when purchasing - Minutes 83730
In one minute, 3 and 1 and a half liters of water flow out. How many liters of water will flow out in 2 and 1 half minutes?
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