Themes, topics - math word problems - page 132 of 169
Number of problems found: 3370
- Interest rate
The interest for one year on the deposit of € 2,000 was € 18. What was the annual interest rate in percent? - Acceleration distance
When accelerating from 0 to 100 km/h in 9.3 seconds, what distance will the car travel? - Triangle construction
Construct a triangle ABC if you know the lengths of its sides c = 5 cm, a = 4 cm and angle ABC is 60°. Measure the length of side b in millimeters. Side length b is: a, 75 mm < b < 81 mm b, 53 mm < b < 59 mm c, 43 mm < b < 49 mm d, 13 mm - Earth and Sun
Earth is 150 million km away from the Sun. 300,000 km of sunlight travels in 1 second. How long will the light come from the Sun to the Earth? - Studio flooring
The television studio plan is made on a scale of 1:150. It shows a rectangular studio measuring 5 cm and 6 cm. If we pay 356 crowns for 1 m² of floating floor, how many crowns will we pay to cover the studio with a floating floor? - Steamer
At 6 hours 40 minutes, the steamer sailed from the port at a speed of 12 km/h. At exactly 10 hours, the motorboat started to sail at 42 km/h. When will the motorboat catch steamer? - Pure silver
How many grams of pure silver and 0.770 silver must be melted so that the resulting alloy weighs 2576 g and has a quality of 0.93 / pure silver has the first quality? - Diagonals
Draw a square ABCD whose diagonals have a length of 6 cm. - Investment of the year
At the beginning of the year, my father invested EUR 1,000 in the bank at an annual interest rate of 3%. How many euros will the bank credit him with the deposit after eight months? (compound interest - from financial mathematics) - Three painters
One painter paints the school in 7 days, the other in 6 days. The school had to be painted in 2 days. A third painter was called in, and they all worked simultaneously. In how many days would this third painter paint the school by himself? - Map scale
What is the map's scale if 5.4 km is 72 mm on the map? - Gasoline
How many liters of gas is in the tank if its weight is 15.4kg? The specific density of gasoline is 770kg/m³. - MO Z6-6-1
Write integers greater than 1 to the blanks in the following figure so that each darker box is a product of the numbers in the neighboring lighter boxes. What number is in the middlebox? - Two aircraft
From the airport will start simultaneously two planes, whose flight tracks are perpendicular to each other. The first flying speed of 680 km/h and the second 840 km/h. Calculate how far the aircraft will fly for half an hour. - Workers
A Group of workers washed half of the windows of the building in two hours. How long will it take half the workers to wash all the windows of the building? - Cyclist overtaking
The cyclist leaves Prague at a speed of 24 km/h. An hour later, a car drives behind him at 60km/h. How far from Prague, and how long will the car overtake the cyclist? - Graphic solution
Solve the system by the graphical method: x + y = 8 2x-y = 1 - Tea mixture
We add 4 kg of tea to 2 kilograms of tea for 15 €, and we get the mixture for 12 €. How much is kg of second tea? - Young Cyclists Charlie and Peter will attend the Young Cyclists Meeting today. Peter is still unable to start, so Charlie goes first alone. Peter follows him for 20 minutes. How long does it take to reach Charlie? Charlie travels at an average speed of 15km/h, and Peter
- Larger pipe
Two supply pipes open into the pool, and the smaller pipe fills the pool in 40 hours. The empty pool will be filled in 16 hours if we open both supply pipes. How long would it take to fill if only the second, larger inlet pipe was opened?
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