Maths practice for 14 year olds - page 95 of 376
Number of problems found: 7503
- Percentage - b/g students
There are 584 students at the school, 421 of them boys. What percentage of students are girls? - Clock hand angle
What is the angle of the hour and minute hands on the clock of the old tower if it is exactly eight o'clock? - Concentrate - juice
To produce one liter of 100% juice, 2 kg of fruit are needed. Juice is made by squeezing the fruit into a pulp, drying it, and obtaining a concentrate, which is then transported to the processing site where it is diluted again. How many liters of fruit ju - Tourist bench seating
Benches were prepared around the fire. When seven tourists sit on them, one tourist will sit alone on the last bench. When six of them all sat down, one had to stand. How many tourists were at the campfire if we know there were less than 100, and how many - Loan interest periods
The bank provides loans with an interest rate of 5% pa. How much interest will you pay if you borrow 5,000 euros for: A) 1 year B) 1/2 year C) 1/4 year D) 5 years? - Trapezoid coordinate drawing
Draw a trapezoid in the coordinate system with bases 4cm long, 2cm long, and 3cm high. Please write down the coordinates of its vertices. - Camp cost distribution
The department consists of 80 children and adults. The camp cost them a total of 116,400 CZK. Each child paid 1200 CZK and each adult 1800 CZK. How many adult participants were there, how much did the children pay for the camp, and who paid more money for - Cable car climb
The lower station of the cable car in Smokovec is at an altitude of 1025m, and the upper station at Hrebienk is at an altitude of 1272m. Calculate the climb of the cable car if the horizontal distance between the slopes is 1921m. - Probability of picking
There are 5 chocolate, 3 cottage cheese, and 2 apricot croissants in the bag. Croissants are randomly selected in bags. What is the probability of drawing 1 chocolate, 1 cheese, and 1 apricot croissant without returning? - Triangle perimeter ratio
The perimeter of triangle ABC is 162 dm. The lengths of its sides are in the ratios a:b = 2:3 and a:c = 8:7. Determine the lengths of the sides of the triangle. - Stair climbing performance
A person weighing 50 kg can climb 15 stairs. One step is 18 cm high. Determine a person's performance when: a) slowly climbing the stairs if it took him 13 seconds b) going down the stairs slowly if it took him 10 seconds c) quickly climbing the stairs if - Board triangle ratio
From a rectangular board with 2 m and 3 m dimensions, we cut isosceles and right-angled triangles at the corners with an overhang of 40 cm. Calculate the ratio of the rest of the board's areas to its total original area. - Octagon perimeter area
From a square with a side of 4 cm, we cut four right-angled isosceles triangles with right angles at the square's vertices and with an overlap of √2 cm. We get an octagon. Calculate its perimeter if the area of the octagon is 14 cm². - Bank interest rate
Mr. Adam and Mr. Milan each deposited 20,000 euros in their bank. After the first year, Mr. Adam added 600 euros and Mr. Milan 550 euros. What was the interest rate of each bank? - Housing loan interest How big would the Novak family take out a housing loan if they paid an interest of 5500 euros after the first year and the interest rate of this loan was 5.5% p. and.?
- Line ratio enlargement
We will enlarge the line 8 cm long in the ratio of 7:4. How long in centimeters will the new line be? - Triangle height perpendicular
The perpendiculars of a right triangle have 30 cm and 40 cm lengths. What is the height of the triangle? - Basketball team
The average height of the basketball team's primary five players is 196 cm. The underscore player is 216 cm tall. What is the average height of the remaining four players in centimeters? - Cross-section and coulombs
Determine the current flowing through the conductor if a charge of 150 C has passed through its cross-section in one minute. - Charge conductor time
How long does a charge of 600 Coulombs pass through the conductor at a current of 1 Amper?
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