Grade - math word problems
Number of problems found: 5417
Divide: a) 250 CZK in the ratio 2:3 b) 1000 CZK in the ratio 4:7:9
- Feed for horses
In the kennel have feed for two horses for 21 days. The station brought an additional 5 horses. How many days will last the feed for all the horses if they have the same daily ration?
1 mason casts 30.8 meters square in 8 hours. How long casts 4 masons 178 meters square?
2 chickens give 2 eggs in 2 days. How many eggs can give 8 chickens for 8 days?
- Cuboid - simple
Calculate the surface area and volume of a cuboid if a = 8 cm, b = 14 cm and c = 6 cm.
Find the cuboid that has the same surface area as the volume.
- Swimming pool
The pool shape of cuboid is 299 m3 full of water. Determine the dimensions of its bottom if water depth is 282 cm and one bottom dimension is 4.7 m greater than the second.
- Plan scale
At what scale is drawn plan of the building, where one side of the building is 45 meters long is on the plan expressed by a straight line 12 mm long.
Stairway has 20 steps. Each step has a length of 22 cm and a height of 15 cm. Calculate the length of the handrail of staircases if on the top and bottom exceeds 10 cm.
Product has been discounted twice by 19%. What is the total discount given?
Calculate the volume of a cuboid ABCDEFGH if |AB| = 16 cm, |BC| = 19 cm and the angle ∠CDG = 36.9°
The man conducting the census asks a woman to age of three daughters. Woman says when multiply the age getnumber 72; if their ages add up, get a number of our house, as you see. The man says: That is not enough to calculate their ages. She says: my olde
- Slope form
Find the equation of a line given the point X(8, 1) and slope -2.8. Arrange your answer in the form y = ax + b, where a, b are the constants.
Solve the inequation: 5k - (7k - 1)≤ 2/5 . (5-k)-2
- ISO trapezium
Calculate area of isosceles trapezoid with base 95 long, leg 27 long and with the angle between the base and leg 70 degrees.
Circular reflector throws light cone with a vertex angle 49° and is on 33 m height tower. The axis of the light beam has with the axis of the tower angle 30°. What is the maximum length of the illuminated horizontal plane?
Peter, Martin and Jirka were fire in a special target, which had only three fields with values of 12, 18 and 30 points. All boys were firing with the same number of arrows and all the arrows hit the target, and the results of every two boys differed in on
Calculate the length of the base of an isosceles triangle with a circumference 224 cm if the arm length is 68 cm.
- Cube and water
How many liters of water can fit into a cube with an edge length of 0.11 m?
- Do you solve this?
Determine area S of rectangle and length of its sides if its perimeter is 102 cm.