Maths practice for 14 year olds - page 209 of 361
Number of problems found: 7217
- Prism bar diameter
If we want to make a prism with a wooden base with a 5 cm side of a wooden bar, what is the bar's smallest diameter? - Cylinder Paint Weight Area
The sheet metal keg for oil transport has the shape of a cylinder with a volume of 62.8 liters and a height of 0.5 m. How many kg of paint do we need to paint if we need 1 kg of paint for 1.5 m²? - KLM triangle
Find the length of the sides of the triangle KLM if m = 5 cm height to m = 4.5 cm and size MKL angle is 70 degrees. - Balloon and bridge
From the balloon, which is 92 m above the bridge, one end of the bridge is seen at a depth angle of 37° and the second end at a depth angle of 30° 30 '. Calculate the length of the bridge. - Foot area
Which animal exerts greater pressure on the ground: an elephant weighing 5 tonnes with a total foot area of 0.5 m², or a gazelle weighing 10 kg with a total foot area of 50 cm²? - 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? - 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? - 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 as old as 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 60 cm, calculate the length of each side. - The painter
To achieve the desired colour, a painter must mix green and yellow paint in a ratio of 4:7. If he has 28 litres of green paint, how many litres of yellow paint should he add? How many litres of mixed paint will he get in total? - 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?
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
