Units - math word problems
Number of problems found: 4444
- Freight train
Twenty-five identical freight wagons are connected behind the locomotive. The weight of the locomotive and all wagons is 1009000 kg. The locomotive weighs 84 tons. How many kilograms does one freight car weigh?
- Diamond diagonals
Calculate the diamonds' diagonals lengths if the diamond area is 156 cm square, and the side length is 13 cm.
- Shadow of tree
Miro stands under a tree and watching its shadow and shadow of the tree. Miro is 180 cm tall and its shade is 1.5 m long. The shadow of the tree is three times as long as Miro's shadow. How tall is the tree in meters?
- Granite cube statue
What is the weight of a granite cube with an edge length of 75 cm, if 1 m3 of granite has a weight of 2.7 tons?
- Cubes into cuboid
How many 12 centimeter cubes fit into the block (cuboid) with 6dm, 8.4dm, and 4.8?
- Three pumps
The water tank is emptied with the first pump in 6 hours, with the second pump in 2 hours. In order to be emptied in 1 hour, all three pumps had to be started at once. How long will take tank be emptied by only the third pump?
- Chewing gums
For 3 chewing gums, you will pay 20 CZK less than 7 chewing gums. How much is 1 chewing gum and how much does a 5pcs package cost?
- Right angled triangle 3
Side b = 1.5, hypotenuse angle A = 70 degrees, Angle B = 20 degrees. Find its unknown sides length.
- Three 43
Three brothers inherited a cash amount of 62,000, and they divided it among themselves in the ratio of 5:4:1. How much more is the largest share than the smallest share?
- The room
The room has a cuboid shape with dimensions: length 50m and width 60dm and height 300cm. Calculate how much this room will cost paint (a floor is not painted) if the window and door area is 15% of the total area and 1m2 cost 15 euro.
- Body diagonal - cube
Calculate the surface and cube volume with body diagonal 15 cm long.
- Water lilies
Water lilies are growing on the pond, and their number is doubled every day. The whole layer is covered in 12 days. How many days will it cover 8 layers?
- Water flow 2
How many litres of water will flow in 7 minutes from a cylindrical pipe 1 cm in diameter, if the water flows at a speed of 30 km per hour
- Largest angle of the triangle
Calculate the largest angle of the triangle whose sides have the sizes: 2a, 3/2a, 3a
- Train speed
Two guns were fired from the same place at an interval of 10 minutes and 30 seconds, but a person in a train approaching the place hears second shot 10 minutes after the first. The speed of the train (in km/hr), supposing that sound travels at 340 m/s is:
- Rectangular prism
If I have a rectangular prism with a length of 1,000 cm, a width of 30 cm, and a height of 50 cm, what is the volume?
- Two melons
There are 2 melons in the box. Together they weigh 11kg. The weight of green is 3 kg less than three times the weight of yellow. What is the weight of a green melon?
- The alley
The alley was planted that 490 trees 6 meters away. How many trees would be planted if the distance was 7.5 m?
- Wood harvesting
The harvested wood is bundled from the forest to a sawmill. The driver makes the journey four times a day, and the work takes him 8 days. How many times would he have to go daily to get the job done 2 days earlier?
The sound travels 1 km in about 3 seconds. How far is the storm if there is a time interval of 8 seconds between lightning and thunder?