Maths practice for 12-year-olds - page 291 of 297
Examples and word math problems for 7th grade.Number of problems found: 5924
- 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. - Salary
Calculate the equivalent annual salary to an hourly wage of $ $h. Assume a $n-hour workweek. - Chocolate
How many times do we have to break a chocolate bar composed of 10 × 12 pieces to get the 120 parts? - Cube
The cube weighs 11 kg. How weight is a cube of the same material if its dimensions are 3-times smaller?
- 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)
- Tippler
Bottle with cork cost 8.8 Eur. The bottle is 0.8 euros more expensive than cork. How much are a bottle and the cork? - Compare
Compare fractions (34)/(3) and (12)/(4). Which fraction of the lower? - Homework
In the crate are 18 plums, 27 apricot, and 36 nuts. How many pieces of fruit were left in the crate when Peter took 8 ninth: 1. nuts 2. apricots 3. fruit 4. drupe - Sea on the Moon
Assume that the Moon has a sea with the same composition as Earth's (it has the same density of saltwater). Calculate the boat's dive floating in the sea on the Moon when on Earth has dive 3.9 m. Consider that the Moon has 6.5-times smaller gravitational - Equator
Suppose that a tourist went on foot over the Globe equator. How many meters more track made his hat on his head as the shoes on your feet? The radius of the Earth is $R km, and the height of the tourist is $v m.
- Book
To number pages of the thick book, the printer used 4201 digits. How many pages has this book? - Bureau of Labor
Bureau of Labor is a state institution that provides mike and the rest for their so-called clients. The mission of the Bureau of Labor is to spend taxpayer money to provide relaxation and benefits to those who do not want to work. Popularly speaking, the - Potatoes
Potatoes contain 77% starch. How many potatoes need to obtain 61.2 kg of starch? - Colors
Willie got birthday 6 color pens in different colors. How many ways can he give them side by side in pencil? - Map
Forest has an area of 36 ha. How much area is occupied by forest on the map at scale 1:500?
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