Maths practice for 14 year olds - page 254 of 371
Number of problems found: 7410
- Difference 5867
Calculate the value of the first term and the difference in the arithmetic sequence a1 + a7 = 42 a10-a3 = 21 - Perpendicular 5865
We cut the cube with two mutually perpendicular cuts, each parallel to one of the cube's walls. By what percentage is the sum of the surfaces of all cuboids created in this way greater than the surface of the original cube? - 9th-grade 5864
9th-grade students were marked 28 students. ... .1 25% of students. ..2 40% of students. ..3 How many students were there in the 9th grade? - President's 5862
For the opening ball of the season, the president's wife bought a necklace with a bracelet for 768 euros. How much did the necklace cost, and how much did the bracelet cost if the bracelet was 40% off a) cheaper, b) more expensive than the necklace? - Profit per kilo
The trader sells apples at a profit of 20% per kilogram. Today, he decided to reduce the price of apples by 10%. How much profit does the trader have today? - Multiplied 5860
Which number, in the form of a fraction, needs to be multiplied by 40 to get a 6% smaller number? - Inlets 5858
The pool is filled with three inlets in 12 hours. In how many hours would this pool be filled with five inlets? - ABCD square
In the ABCD square, the X point lies on the diagonal AC. The length of the XC is three times the length of the AX segment. Point S is the center of the AB side. The length of the AB side is 1 cm. What is the length of the XS segment? - Charity
Tereza earns 50% more than she spends each month. Patricia earns the same as Teresa but spends 20% less than Teresa. Each of them sends a fifth of the unspent money to the children's home account each month. How much more or less does Patricia send than T - Television 5854
Uncle decided to buy a TV for € 200. He had € 34 in cash. He borrowed the remaining amount. What percentage of the borrowed amount was from the price of the television? - Triangle 5851
In a triangle, the first angle is half the second angle, and the third angle is the third of the first angle. How big are the angles in a triangle, and what is the type of triangle? - Discounted 5850
The T-shirts were discounted by 30%, so the three T-shirts cost only CZK 50 more after the discount than the two T-shirts cost before the discount. How much did one T-shirt cost before the deal? - Square inscribed
Find the length of the side of the square ABCD, which is inscribed to a circle k with a radius of 10 cm. - Daffodils 5846
There are 20 more tulips than daffodils in the garden. How many tulips bloom in the garden when there are 70 flowers? - Tetrahedron - surface
Calculate the surface area of a regular tetrahedron whose height is 9 cm. - Sick
Six seamstresses should make 60 shirts in five business days. After three days, two seamstresses were sick. How many days have the remaining seamstresses to finish the contract? - Three workshops
2743 people are working in three workshops. In the second workshop, 140 people were more than in the first, and in the third work, 4.2 times more than in the second. How many people work in each workshop? - Expressway 5837
The expressway covers the distance from the starting point to the final station in 4 hours and 20 minutes. A passenger train, whose average speed is 30 km/h less, will cover this distance in 7 h 40 min. What is the speed of the express train, and what is - Percentage 5834 There are 1.5 times more women than men in the theater. What percentage of women are more than men in the theater?
- Bamboo
At a certain height, the wind broke the bamboo high 32 feet, so the bamboo top reached the ground at a distance of 16 feet from the trunk. At what height from the ground was the bamboo broken?
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
