Maths practice for 14 year olds - page 213 of 375
Number of problems found: 7497
- Society
A senior citizens' association has a total of three hobby clubs - chess, hiking, and cooking. Chess - number of members 15, cooking 45, hiking: the share of club members from all clubs: 60%. Number of members: women 84. Each member of the association atte - Walking
Of the 450 students at the school, 432 walks to school. What percentage is this? - Company and employees
There are 370 employees in the company - women are 15% less than men. How many men work in the company? - Rhombus Perimeter Diagonals
The diagonals of the diamond are 2.4 dm and 1.8 dm long. What is the perimeter of this diamond? - Embankment Width Calculation
An embankment 7.5 m high should be built on the horizontal plane. The width of the upper surface of the embankment is 2.9 m, and the slope is 35 °. What will be the lower width of the embankment? - Cyclist Three Day Route
The cyclist drives a 240 km long route in 3 days. On the first day, go half of the entire route. The second day passed two-fifths of the rest of the way. What percentage of the cyclist completed the whole way on the third day? - Orders Exceeded Expectations
The company expected to win 120 orders but eventually managed to win 180 orders. By what percentage did the company exceed its expectations? - Lemonade
In January, 2 liters of lemonade were sold for CZK 24, while in February, 2.5 liters of lemonade were sold at the same price. How much percent was 1 liter of lemonade cheaper in February than in January? - Isosceles Triangle Circumradius
In the KLM isosceles triangle, the KL base is 24 cm long, and the arm measures 15 cm. What is the radius of the circle described by this triangle? - Average temperature
The average temperature from Monday to Sunday was 40.5°F, and the average temperature from Monday to Saturday was 42.8°F. What was the temperature on Sunday? - Oil tank distribution
There are a total of 1309 liters of oil in the two tanks. In the second, there are 4.5 times more than in the first. How many liters of oil are in each tank? - A mother
A mother is three times older than her daughter. 9 years ago, a mom was six times older than her daughter. How old are a mother and daughter now? - The sum AP with rule
Find the sum of all natural numbers between 1 and 100, which are divisible by 2 or 5 - Wave parameters
Calculate the speed of a wave if the frequency is 336 Hz and the wavelength is 10 m. - The size
The sides of the trapezium are 3/4*x cm, x cm, 2*(x+1) cm and 3(x+2) cm long respectively. If its perimeter is 60cm, calculate the length of each side. - The painter
For the painter to get the desired color, he must mix green and yellow in a ratio of 4:7. If it has 28 l of green color, how many liters of yellow should he add? How many liters of mixed color does he get? - Triplets From Four Pupils
How many different triplets can be created from 4 pupils if it does not matter the order of the pupils in the triplets? - Diluting Alcohol Solution
I have 35% alcohol and want to make 1 liter of 1% solution. How much ml of alcohol should I put on the bottom of a one-liter container and pour water over it? - Diagonals at right angle
In the trapezoid ABCD, this is given: AB=12cm CD=4cm And diagonals crossed under a right angle. What is the area of this trapezoid ABCD? - Two Inflows Water Volume
Two hundred forty liters of water flow into the tank from 6 tributaries in 6 minutes. The wider one will flow 20 liters more in 9 minutes than the narrower one in 11 minutes. How many liters of water flow out of each inflow in 1 minute?
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