Maths practice for 11-year-olds. - page 195 of 199
Number of problems found: 3965
- Compass
What angle is between directions SSE (SouthSouthEast) and SW (SouthWest) 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? - ŽSR
Calculate fixed annual personnel costs of operating monorail line 115 km long if every 7 km is a station that serves three people - one dispatcher and two switchmen in 4-shift operation. Consider the average salary of the employee 829 euro. - Chocolate
How many times do we have to break a chocolate bar composed of 10 × 12 pieces to get the 120 parts?
- Washer
The washing machine drum washes at 71 RPM. The washing machine motor pulley has a diameter of 8 cm. What must be the diameter of the drum machine pulley when the motor is at 351 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? - Expression
If it is true that (l + 15 w)/(w) = 6, then the value of the expression (13 l)/(12 w) is: - 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 1/4 of brick is on one side. The balance is in equilibrium. What is the weight of a brick? - Sea on the Moon
Assume that the Moon has a sea with the same composition as Earth's (it has the same saltwater density). Calculate the boat's dive floating in the sea on the Moon when on Earth, it has dived 3.9 m. Consider that the Moon has 6.5-times smaller gravitationa
- Book
The printer used 4201 digits to number the pages of the thick book. How many pages does this book have? - Floor
The room's floor area is 33 m2, and its width is 4 m. How many centimeters of circumference was measured on the floor on the map at the scale 1:75? - Cube corners
Peter cut the wooden cube with edge 34 cm in 3 corners of the cube with edge 2 cm. How many cubes of edge 2 cm can Peter even be cut? - Garden
The garden has two opposite parallel fences. Their distance is 33.1 m. The lengths of these two fences are 75.5 meters and 49.4 meters. Calculate the area of this garden. - Car - simple
The car is traveling at 77 km per hour. How long is the distance it can travel in 1 minute?
Determine the year-round consumption of appliances in standby mode. Standby mode is a routine in the unit that is continuous for 24 hours and consumes a tiny amount of electricity. Typically are televisions, electric ovens, radios, computers, monitors, saDo you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
