Themes, topics - math word problems - page 118 of 174
Number of problems found: 3477
- Triangulum
Student Ernest paints colorful lines and points. In his notebook, he had two drawings. In the drawing called Triangulum, there were 3 colored lines. The points where the lines intersected were highlighted with black dots. In the second drawing, he had 4 l - Tractors
Five tractors will plow the field for 8 hours. In 2 hours, one tractor broke down. How long do the remaining tractors complete the plow? - Imagine
Imagine that a unit of air at a temperature of 25 °C rises a mountain range 3,000 meters high on the windward side and descends to 1,200 meters on the leeward side, assuming that the air will remain dry. What will its temperature be when it crosses the to - Substance solution
During spraying, there are 4 per mille of active substance per 6 l of water. How many ml of active substance do we add to the spray? - Two buses
The first bus runs for 15 minutes, and the second bus runs after 21 minutes. Together, they both leave at 7:00 on Monday. When and what day will they meet? - Rhombus construct
Construct parallelogram (rhombus) ABCD, | AB | = 4 cm alpha = 30° and | BD | = 5 cm. - Fruit tea
Tea contains 7% of fruit components and 12% of sugar in this component. How many percent of sugar is represented in the whole tea? - Line division pieces Divide the line MN (/ MN / = 9 cm) into 11 equal pieces
- Special watch
Frank bought a special watch on the market. It has only one (minute) hand and a display showing the angle between the hour and minute hands. How many hours was his watch shown? The minute hand points to number 2; the display shows 125°. - Air thermal
Imagine that a unit of air rises 3000 meters high. If the temperature decreases 6 degrees Celcius for every 1000 meters, what will be its temperature at 1400 meters, 2000 meters, 2500 meters, and when it reaches the 3000-meter elevation? The starting temp - Bricklayers
Seven bricklayers will build the house in 630 days. How many bricklayers do we need to take after 150 days to complete the building for (additional) 336 days? - Together 3
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together? - Peroxide
How many ml of 30% hydrogen peroxide (H2O2) should we add to 100 ml of water (H2O) to obtain a 20% solution? - Calculate
Calculate the resulting speed of both vehicles after the collision of a car with a mass of m₁ = 1.5 tonnes travelling at 100 km/h and a truck with a mass of m₂ = 40 tonnes travelling at 90 km/h, if it is a head-on collision. Calculate the overload acting - Cyclist 9
A cyclist travels at a speed of 4.25 km per hour. At that rate, how far can he travel in 3.75 hours? - Two people
Two straight lines cross at right angles. Two people start simultaneously at the point of intersection. John walks at the rate of 4 kph on one road, and Jenelyn walks at the rate of 8 kph on the other road. How long will it take for them to be 20√5 km apa - Two pumps
Pump A takes twice as long to fill a tank as B. Together, they take 2 hours to fill the tank. How long does each one take to fill the tank by itself? - Running
Joanne ran 8 1/2, Kyleigh 1 2/3, and John 6 3/4 miles in one day. How many miles did the girls run in 3 days? - Transformer
Solve the textbook problems - transformer: a) N1 = 40, N2 = 80, U2 = 80 V, U1 =? b) N1 = 400, U1 = 200 V, U2 = 50 V, N2 =? - Electric input power
Solve problems related to electric power: a) U = 120 V, I = 0.5 A, P =? b) P = 200 W, U = 230 V, I =? c) I = 5 A, P = 2200 W, U =?
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