Maths practice for 14 year olds - page 260 of 382
Number of problems found: 7625
- Flower Garden Planting Count
The gardeners planted 1,100 flowers. Pansy is 280 less than tulips, and daffodils are 40 more than pansies. a) how many flowers did they plant? b) of the planted flowers, 5% of tulips and 2% of daffodils dried up. How many flowers continued to grow? - Four chocolates
Marek wanted to buy four chocolates but was short of 30 cents. So he bought three chocolates and chewing gum for twenty cents, and he still had 70 cents left. How much did the chocolate cost? How much did Marek have? - Eighth Grade Boys Girls
Fifty-six pupils attend the eighth grade of primary school. There are 18 more boys than girls. How many boys and girls are in the eighth grade of primary school? - Dried fruit
The manufacturer produces a mixture of dried fruit. He purchased: 10 kg pineapple for 200 Kc/kg 2 kg papaya for 180 kc/kg 1 kg of banana for 400 Kc/kg How many kgs of raisin for 80 Kc/kg must be put into the mix by the manufacturer so that the production - Borrowing
I borrow 25,000 to 6.9% p.a. and pay 500 per month. How much will I pay and for how long? - Socík
On the construction site of a new housing estate in Kladno-Kročehlavy, students from the state labour reserve carried out machine plastering of the masonry. 5 students using machines plastered 10 square metres more masonry than 6 plasterers working by han - Boys and Girls in Class
The class has 24 pupils, with 40% fewer boys than girls. How many boys and girls are in the class? - Washing Machine Discount
The washing machine became cheaper by 43.5 euros, which is 15% of the old price. What is the new price? - The sides
The sides of a rectangle are in the ratio 3:5, and its perimeter is 72 cm. Calculate: a) the lengths of both sides of the rectangle, b) the area of the rectangle, c) the length of the diagonals. - Two annuluses
The area of the annular circle formed by two circles with a common center is 100 cm². The radius of the outer circle is equal to twice the radius of the inner circle. Determine the outside circle radius in centimeters. - Paint usage calculation
The painter used 3.5 times more paint to paint the tin roof than the gutters. He used 3.1 kg more paint to paint the gutters than to paint the fence. In total, he used 20 kg of paint. How many kilograms of paint did he use to grease the roof, fence, and g - Diagonal
The rectangular ABCD trapeze, whose AD arm is perpendicular to the AB and CD bases, has an area of 15 cm². Bases have lengths AB = 6 cm and CD = 4 cm. Calculate the length of the AC diagonal. - Work
The first worker would need less than 4 hours to complete the task than the other worker. In fact, both workers worked for two hours together. Then, the first worker did the remaining work himself. In what proportion should the remuneration of the workers - Digit sum
The digit sum of the two-digit number is nine. When we turn figures and multiply by the original two-digit number, we get 2430. What is the original two-digit number? - Filament of bulb
A light bulb's filament has a resistance of 1 ohm and is connected to a voltage of 220 V. How much electric charge will pass through the filament in 10 seconds? - Birthday
A mother bought 21 desserts for her daughter Mira's birthday. One type of dessert cost 9 CZK and the other cost 12 CZK. She paid 213 CZK in total. How many of each type did she buy? - Endless lego set
The endless Lego set contains only 6, 9, and 20-kilogram blocks that can no longer be polished or broken. The workers took them to the gym and immediately started building different buildings. And, of course, they wrote down how much the building weighed. - Electric Kettle Current
The kettle is connected to a voltage of 230 V. Its resistance is 130 ohms. What is the current flowing through the kettle? - Distance Between Walkers
Adam and Boris go from school on two perpendicular paths. Adam's average speed is 6 km/h, and Borisova's is 8 km/h. How far will they be by air for 0.5 hours? - Triangle perimeter
An isosceles triangle with a base length of 32 cm has an area of 480 cm². What's his perimeter?
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