Grade - math word problems - page 421 of 968
Number of problems found: 19341
- Nina skiing savings
Nina is going skiing. She bought trousers with a quarter of the saved money, spent a third of the amount on a backpack, and a friend sold her skis for the remaining €100. How much € did Nina save? - Original price
Find the original price of a car if it was firstly increased by 4% and then reduced by 2%. It now costs CZK 326,144. - Trip cost
In September, the trip cost CZK 12,000. How many crowns did the trip cost in June of the same year, when they have since reduced the price by a quarter and another CZK 1,200? - Truck kinetic energy
A truck has a mass of 4.5 tonnes and is moving at a constant speed of 72 km/h. What is its kinetic energy? - Box wrapping cost
How much will we pay for wrapping 5 boxes in the shape of a cube with a side length of 80 cm if we count on a margin of 35% for folds? The price for 1 square meter of paper is €2.55. You can only buy whole square meters. - Work time
The carpenter did the work in 3 2/5 hours. What part of the work did he do in an hour? - Hard cone problem
The cone's surface is 200 cm², and its height is 7 centimeters. Calculate the volume of this cone. - Six terms GP
Find the sum of the six terms of the finite geometric sequence 96, -48, 24, -12 - Calculate 4S pyramid
Calculate the surface area and volume of a regular 4-sided pyramid with a base edge of a = 12 cm and a height of v = 5 cm. - Calculate pyramid
Calculate the volume of the pyramid, whose base edge a = 8 cm and the sidewall makes an angle α = 60° with the square base. - Special body
Above each wall of a cube with an edge a = 30 cm, we construct a regular quadrilateral pyramid with a height of 15 cm. Find the volume of the resulting body. - The cone - S,V Calculate the volume and surface area of the cone if its radius r = 6 cm and side s = 10 cm.
- Bracelet
The silver bracelet weighs 62 g and contains 59 g of silver. What is the purity of the bracelet? - Cone volume surface
A right triangle with perpendiculars a = 3 cm and b = 4 cm rotates around a longer perpendicular. Calculate the volume and surface area of the resulting cone. - Flower number puzzle
The petals of each always have something in common. Can you figure out what number will be in the middle of the flower so that when subtracting and adding, the numbers come from the flowers? The flowers are numbered 50, 30, 20, 40, and 10. - Silver bracelet
The silver bracelet, which has a purity of 925 per mille, contains 25.9 g of silver. What is the weight of the bracelet? - Sequence decreasing proof
Prove that the sequence {3 - 4. n} from n = 1 to ∞ is decreasing. - The goldfish
The goldfish floats close to the wall of a circular pool with a radius of 10 m. How many meters does it pass when it makes two circuits in the pool? (indicate the result to one decimal place) - Park trail length
The circular park has an area of 31400 m². A trail runs across the center of the park. How long is it? - Sprinkler irrigation area
The rotary sprinkler has a spray of 18 m. How much land can it irrigate from one place?
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