Maths practice for 14 year olds - page 106 of 379
Number of problems found: 7575
- How long
How long is the diagonal of the square with side a = 50mm? - Containing 59983
The gardener has to prepare a grass mix containing clover grass and a meadow mixture at a price of CZK 24 per kilogram. A kilogram of mono-grass mixture costs CZK 22, and a kilogram of meadow mixture costs CZK 30. It will determine how many kilograms of m - Determines 59973
1 kg of white tea costs CZK 1,800. 1 kg of green tea costs CZK 1,200. It determines how many grams of white and green tea will be contained in a package of Buddha's mixture if it weighs 50g and costs CZK 65. - A cone
A cone measures 6 inches in diameter at the base. The distance from the edge of the circumference to the top is 12 inches. Find its volume. - Equilateral cylinder
Find the radius and height (in centimeters) of an equilateral cylinder with a volume of 1 liter. - An equilateral cone
Determine the radius and height (in centimeters) of an equilateral cone that has a volume of 1 liter. - Lengths of medians from coordinates
There is a triangle ABC: A [-6.6; 1.2], B [3.4; -5.6], C [2.8; 4.2]. Calculate the lengths of its medians.
- Find whole
Find whole numbers between 155 and 232 that are divisible by 2, 5, and 10. - Hat and scarf
Katy knitted a scarf four times faster than a hat. Knitting together lasted 15 days. How much did she knit a hat? - Himself 59743
Peter and Milan painted the garage door in five hours. Peter would paint the door himself in 10 hours. In how many hours would Milan paint the door himself? - What is similar fraction
Which of the following is a similar fraction of 9/10,3/5,1/4 - What fraction 2
What fraction is equal to 50% of 1/3? - The ratio 7
The ratio of the sides of two squares is 4:5. If the sum of their areas is 180 cm². Find the sides of the two squares. - What percent 4 What percent of 40 is 14?
- The power generator
How much would be paid for the generator if it costs 2000 and 12.5% tax is charged on it?
- Directly and inversely
If z varies directly as x and inversely as y, and z = 16 when x = 3 and y = 2, find z when x = 5 and y = 3 - Square function
If z varies jointly as x and the square of y, and z = 20 when x = 4 and y = 2, find z when x = 2 and y = 4. - Jointly function
If z varies jointly as x and y, and z = 12 and x = 2 and y = 4, find z when x = 5 and y = 2 - Banknotes 59503
Matej had 2 euro coins and 5 euro banknotes in his box. There were a total of 60 of them worth 171 euros. How much money did Matej have in the treasury? - Find two 2
Find two decimals between 4.56 and 6.927 so that the difference between any two consecutive decimals is the same.
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