Grade - math word problems - page 171 of 946
Number of problems found: 18903
- Travels 81218
Petr travels 90 km to school and back by bus in a week. How much does he drive in one day? - Denarii 81214
Two men talk about how much money each has. The first says to the second: If you give me 12 denarii, we will both have the same. "Second branch: If you give me 12 denarii, I will have ten times more than you. How many denarii did each of them have? - Millimeter 81208
A cylinder has the same diameter as its height. Calculate these data if the surface is 200 cm square. Report the results to the nearest millimeter. - Correspond 81207 Zuzana, Anna, and Eliška receive pocket money every month. They donated part - Zuzana 40%, Anna 50% and Eliška CZK 195. If we add up all 3 amounts and divide the sum by 3, the result will correspond to 4/9 of the pocket money of each of the girls. What is
- Production 81205
How many figurines can a potter make from 133 1/3 kg of clay if he needs 4/15 kg of clay to make one and 1/20 of the material is wasted during production? - Companies 3
Companies supplying electricity to households use two rates. In 1996, the price for 1 kW was 1.10 CZK and night power was sold for 0.46 CZK per kW. In 1997, these rates were 1.28 CZK and 0.53 CZK. Express the ratio of the normal and cheaper rates in both - Doppler effect
The observer moves away from the source at a speed of 12 m/s. The source produces sound with a frequency of f=475 Hz. What is f2 (frequency of sound perceived by the observer)? v= 340 m/s. - Airplane 81200
Two points are at a distance of 1840 km. An airplane departs from A at 7:00 a.m. and flies at an average speed of 50 km/h faster than another airplane departs from B at 8:00 a.m. At what distance from A do they meet at 9:00? - Percentage 81198
Since starting the job, Jiri's salary has doubled. By what percentage did his salary increase? - Twenty-five 81187
Twenty-five prizes are drawn in a raffle with 500 tickets. How many tickets do we need to buy to ensure I win at least 3 prizes? - Apples 81168
Peter had 4 apples. When he took 3 of them, how many did he have left? - Millimeter 81160
Calculate the length of the side of the cone; they rounded the result to tenths of a millimeter. If you know: radius 24 mm and height 46 mm - Complementary 81152
In a certain polygon, the ratio of the sum of the sizes of its internal angles and the sum of the sizes of the complementary angles is 2:5. How many vertices does this polygon have? - Together 81151
Matěj has 2 more marbles than three times the number of marbles that Lojza. Both together have 18 balls. How many marbles does Lojza have? - Right-angled 81150
In the right-angled triangle ABC (the right angle at vertex C), the angle ratio is α : β = 5 : 3. Calculate the sizes of these angles and convert them to degrees and minutes (e.g., 45°20') - Father 81149
The father is older than the son by the ratio of 5:2. Dad is older than 33. How old are they both? - Bigger 81145
In 10 years, the teddy bear will be three times bigger than it is today. How old is the teddy bear now? - Equilateral 81142
The rotating body was created by rotating an equilateral triangle with a side length of a=2 cm around one of its sides. Calculate the volume of this rotating body. - Difference 81141
Calculate the difference between the sum and product of the numbers -7 and -2. - Quatrefoil 81138
Gothic quatrefoil is an ornament in which four identical touching smaller circles are inscribed in a larger circle, as you can see in the picture. The radius of the great circle is one meter. Calculate the radius of the smaller circle in meters.
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