#### Number of problems found: 1387

• Count of roots
How many solutions has equation x. y = 7757 with two unknowns on the set of natural numbers?
• Civil protection
Students on civil protection exercise went 5800 m long trip. How many kilometers is it approximately?
• I think number
I think number.When I add 841 to it and subtract 157, I get a number that is 22 greater than 996. What number I thinking?
• Homework - jumps
Sasha jumped 121 cm Peter 4 cm more than Jirka. Jirka 6 cm less than Misha. Misha 7 cm less than Filip and Filip half as much Sasha and Petr together. How far each jumped?
• Quotient
Determine the quotient (q) and the remainder (r) from division numbers 100 and 8. Take the test of correctness.
• Coke
From one ton of coal is produced 772 kg of coke for iron production. How many wagons of coal by 13 tonnes per day is needed for the blast furnace, which has a daily consumption of 1020 tons of coke?
• Pool
Mr. Peter build a pool shape of a four-sided prism with rhombus base in the garden. Base edge length is 8 m, distance of the opposite walls of the pool is 7 m. Estimated depth is 144 cm. How many hectoliters of water consume Mr. Peter to fill the pool?
• Math test
In class 6.A are 26 students and the teacher had managed to give tests to 13 students. 13 testes he gave in 6.5 min. How many pupils still haven't test? How long will it take techer to give tests to 43 students?
• Strip
From 5.9 cm wide strip should be cut rhombus with area 28 cm2. How long will be its side?
• Area of RT 2
Calculate the area of right triangle whose legs have a length 5.8 cm and 5.8 cm.
• LCM
What is the least common multiple of 5, 50, 14?
I have homework. The cube has an edge 7 cm long and I must find wall and body diagonal.
Students of canoeists trip traveled in three days 102 km. Second day traveled 15% more than first day and at the third day 9 km over the second day. How many kilometers traveled each day?
• Milimeters
How many millimeters is 1/4 meters?
• Beer
Which beer is better to drink: small beer (0.3 L) for 0.67 € or large (0.5 L) for 1.81 €?
How much and how many times is 72.1 greater than 0.00721?
• Similarity
Are two right triangles similar to each other if the first one has a acute angle 70° and second one has acute angle 20°?
• VAT lottery
Father earns 1088 euro a month, mother 925 euro per month. Calculate what amount they paid as value added tax (VAT) to the government if the VAT rate is 20%. Assume that the family will spend their entire monthly income.
• Plums
In the bowl are plums. How many would be there if we can divide it equally among 8, 10 and 11 children?
• Game room
Winner can took win in three types of jettons with value 3, 30 and 100 dollars. What is minimal value of win payable in this values of jettons?

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