Maths practice for 14 year olds - page 31 of 319
Number of problems found: 6374
- Productivity 83335
As a result of an increase in labor productivity by 15%, the company began to produce 920 products per month. How many products did he produce per month before? - Interventions 83334
The hockey goalie got 6 goals for the match. The success rate of his interventions was 80%. How many shots did he catch per game? - Components 83328
Divide the number 112 into three components, x, y, and z, so that x: y = 7: 5 and y: z = 3: 4 apply. - Quadrilateral pyramid
The volume of a regular quadrilateral pyramid is 72 cm³. Its height is equal to the length of the base edge. Calculate the length of the base and the surface of the pyramid.
- Percentage 83320
The company's monthly production increased from 352 products to 528 products. So, by what percentage did the original monthly production increase? - Calculate 83311
The surface of the cuboid is S = 1714 cm². The edges are 25 and 14 cm long. Calculate its volume. - Married 83309
In how many ways can we seat five guests at a table, two of whom are married and want to sit next to each other? - Quadrilateral 83307
The diagonal of section DBFH of the regular quadrilateral prism ABCDEFGH inscribes a circle with a diameter of 8 cm. What is the volume of the prism? - Apples 83295
The price of 6 kg of pears is CZK 77 higher than the price of 5 kg of apples. The price of 6 kg of apples is the same as the price of 5 kg of pears. How much are 2 kg of apples?
- Arithmetic 83270
Marks with equal weight 2,1,3,2,2,3,1,3,1,1,2,4,2,2,3,1,1,2,1,3 specify: 1) arithmetic mean 2) absolute and relative frequency 3) mode and median 4) create a chart - Cancel variations
Evaluate the following expression with factorials: (45!-44!)/(44!) - Employees 83264
The company laid off employees during the crisis, so at the end of the crisis, it had 40% fewer employees than before the crisis. When the company hired 42 new employees after the crisis subsided, it had 25% more than at the end of the crisis. How many em - Perimeter 83259 The perimeter of the four-sided needle is 48 m, and its height is 2.5 m; how much will the sheet metal for this pyramid cost? If 1m² costs €1.5, a 12% loss due to joints and folds is included in the area.
- Quadrilateral 83254 What is the volume of a regular quadrilateral pyramid if its base edge a = √18 cm and side edge b = 5 cm?
- Percentage 83250
There were four times more girls than boys at the show. By what percentage were there more girls than boys at the show? - Calculate 83248
The cube ABCDEFGH has an edge of length 3 cm. Calculate the volume of the pyramid ABCDH. - Isosceles 83247
Calculate the lengths of the sides in an isosceles triangle, given the height (to the base) Vc= 8.8cm and the angle at the base alpha= 38°40`. - Deposited 83236
On March 24, we deposited €5,400 into the savings bank. How much interest will we earn until the end of the year, when the savings bank provides 4.2% interest on this type of deposit? - Deposited 83235 A student deposited €500 in a savings bank at 2.5% interest. In what time (in years) will he earn as much interest as he invested?
During the first two days of the Easter market, the basket maker sold all the knitted pom poms; on the first day, he sold a fifth of all pom poms. On the second day, he sold 180 more pom poms than on the first day. How many pomelos did the barber sell on Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
