Maths practice for 11-year-olds. - page 222 of 227
Number of problems found: 4525
- Youth track
Youth track from Hronská Dúbrava to Banská Štiavnica, which announced cancellation attracted considerable media attention and public opposition, has cost 6.3 euro per capita and revenue 13 cents per capita. Calculate the size of subsidies to a trip group - Peroxide
How many litres of distilled water must a pharmacist add to 300 ml of 32.7% hydrogen peroxide solution to obtain a 2.8% gargling solution? - Camp
Children are at a summer camp. 1/2 of them went on a trip, 1/5 went swimming, and 33 children remained in the room. How many children are at the camp? - Intersections
How many intersection points do two circles with radii 16 mm and 15 mm have if the distance between their centres is 16 mm? - Motion
Cyclist started at 9:00 from point D to point E. After 10 minute, I followed him at the same speed as the second cyclist. Walker, which went from E to D, started at 9:25. After 40 minutes, he met the first cyclist and the second cyclist after the next 8 m - Motion2
A cyclist left town at 24 km/h. A car set off 0.5 hours later in the same direction and caught up with the cyclist in 58 minutes. How fast did the car travel, and how far from the town did it catch the cyclist? - One sixth
How many sixths are two-thirds? - Purchase
Three buyers paid €468 in total. The first paid 3 times as much as the second, and the third paid half as much again as the second. How many euros did each of them pay? - Triangle
Can an equilateral triangle have a right angle? - Lines
Five bus lines run at intervals 4, 5, 7, 11, 12 minutes. In the morning, it suddenly starts at 7:00. After how many minutes do the bus lines meet again? - Numbers
Determine the count of all positive integers less than 4064028 that are divisible by 5, 23, 2. What is their sum? - Midpoints
The triangle formed by connecting the midpoints of the sides of triangle ABC has a perimeter of 83. What is the perimeter of triangle ABC? - The Cats and Mice Problem
Two cats caught two mice in two days. How many mouses will catch 10 cats for 10 days? - Like
There are 110 litres of water distributed equally among 10 barrels. How many barrels of 5 litres each are needed to hold all the water from the larger barrels? - Compass
What is the angle between compass directions J (Juh) and ZSZ (ZápadoSeveroZápad)? - Gear
Two meshing gears have a gear ratio of 1:2. The distance between their centres is 96 cm. What are the radii of each gear? - Chocolate
How many times must a chocolate bar consisting of 10 × 12 pieces be broken to separate it into 120 individual pieces? - Book
Calculate the thickness of one page of a mathematics problem book that is 3.98 cm thick and has 495 pages. - Washer
A washing machine drum spins at 64 RPM. The motor pulley has a diameter of 6 cm. What must be the diameter of the drum pulley if the motor runs at 367 RPM? - Divisibility
Is the number 728267 exactly divisible by 8? (i.e., does the division give an integer result with zero remainder?)
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