Maths practice for 11-year-olds. - page 216 of 220
Number of problems found: 4398
- One sixth
How many sixths are two-thirds? - Purchase
Three buyers paid € 468. The first paid 3-times more than the second, and the third half over the second. How many euros were paid to each of them? - 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 number of all positive integers less than 4064028 if each is divisible by 5, 23, 2. What is its sum? - Midpoints
Triangle whose sides are midpoints of sides of triangle ABC has a perimeter 83. How long is the perimeter of the 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 liters of water in 10 barrels. How many barrels of 5 liters do I need to get all the water from the larger barrels? - Compass
What angle is between directions J (Juh) and ZSZ (ZápadoSeveroZápad) on the compass? - Gear
Two gears fit into each other and have a transfer of 1:2. The centers of gears are spaced 96 cm. What are the radii of the gears? - Chocolate
How many times do we have to break a chocolate bar composed of 10 × 12 pieces to get the 120 parts? - Book
Calculate the thickness of the page of the collection of examples from mathematics, where 3.98 cm is thick and has 495 pages. - Washer
The washing machine drum washes at 64 RPM. The washing machine motor pulley has a diameter of 6 cm. What must be the diameter of the drum machine pulley when the motor is at 367 RPM? - Divisibility
Is the number 728267 exactly divisible by 8? (the result is the integer, and/or remainder is zero) - Water
Into a full cylindrical tank high 3 m with a base radius of 2.5 m, we insert a cuboid with dimensions 1.7 m, 1.3 m, 1.9 m. How many liters of water will overflow out? - News
From 28 students buy magazines, 10 The economist students, 10 Pravda students, and 18 students don't buy any of these magazines. How many students buy both magazines? - Disjoint
How many elements have union and intersection of two disjoint sets when the first has 1 and second 8 elements? - Three numbers
Create from digits 1-9 three-digit numbers with their sum the smallest. What value is the sum of these numbers? (Use each digit only once) - Compare
Compare fractions (34)/(3) and (12)/(4). Which fraction of the lower? - Brick
The isosceles scale has all bricks; the second weight is 1 kg, and the 1/5 of brick is on one side. The balance is in equilibrium. What is the weight of a brick?
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