Themes, topics - practice problems - page 2 of 132

Number of problems found: 2627

One evening 2
One evening, the temperature in Miami was 28°C. During that same evening in Anchorage, it was 32°C cooler than it was in Miami. What was the temperature in Anchorage?
Classroom 81784
The classroom is 6.8 m wide. Determine its width on a 1:50 scale plan.
Determine 81783
Determine the scale of the plan if the actual length of 51m is shown on the plan by a segment of length 3cm.
Borrower 81777
You lent €400. The borrower paid you €440 back in 5 months. What was the yield on this loan?
Interest 81773
How much will the deposit grow at an interest rate of 10% p.d. a. for 72 days by €6?
Friends 81769
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?
Machine 81767
Four lathes machine 32 parts in 1 hour. How many parts does 1 turner machine have in 2 hours?
Perpendicular 81758
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'.
Cylindrical 81748
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?
Represents 81745
2.5 cm on the map represents 6.25 km in reality. Set the scale of the map.
ELECTRICAL 81742
A cooker connected to a 40 V voltage source draws a current of 0.5 A. DOES THE SIZE OF THE ELECTRICAL WORK DETERMINE WHICH COOKER DOES IN 3 MINUTES?
Substance 81736
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?
A chemist 2
A chemist has two alloys of bronze, one that is 12% tin and 88% copper, and a second that is 10% tin and 90% copper. If these two alloys are melted and thoroughly mixed together, between what two values is the percent of tin in the mixture?
Harvested 81719
Eight hop pickers harvest in 24 days. How many more pickers must be hired if the hops need to be harvested in 16 days?
Walker
If you walk at an average speed of 4km/h, how many kilometers can you walk in 2 hour's?
Basement 81681
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
Children 81675
Mikuláš came to hand out gifts on December 6th and found out that with only one helper, he could hand out gifts to five children in 15 minutes. In how many minutes did they give out gifts to 40 children if Santa called 5 helpers?
Centimeters 81669
Eight centimeters on the map represent two kilometers in reality. Determine the scale of this map.
Apartment 81654
A woman cleans an apartment in 8 hours and a man in 10 hours. How many hours will they clean together?
Bank deposits
At the end of each quarter, Patti deposits $1,400 into an account that pays 10% interest compounded quarterly. How much will Patti have in the account in three years? Note: Use tables, Excel, or a financial calculator. Round your final answer to the neare

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