Maths practice for 12-year-olds - page 300 of 309
Number of problems found: 6169
- AVG of INT
What is the average of the integers from 9 thought 52 inclusive? - Product
The sum and the product of three integers are 6. Write the largest of them. - It is rectangular?
The size of two of the angles in a triangle is α=110°, β=40°. Is it a right triangle? - Perpendicular
What is the slope of the perpendicular bisector of line segment AB if A[-1,-4] and B[-6,-7]?
- Triangle
For how many integer values of x can 5, 6, and x be the lengths of the sides of a triangle? - Parallelogram
Calculate area of the parallelogram ABCD as shown if |AB| = 13 cm, |BC| = 99 cm and angle BAD = 100° - Segments
Which of the pairs of numbers on the number line encloses the longest segment: ... - Root
The root of the equation (x-10)² +4 = x² +35x is (equal or greater or less than zero). ... - VAT
John paid 10 Euros in-store for the purchase. Calculate value-added tax (VAT), which is paid in the purchase, if the VAT rate is 20%.
- Negative percentage
In 2006, the company had a loss of 11100 Euros. Two years later, he was already in profit 50000 Eur. Calculate the percentage of the company's profits that increased in these two years. - Forestry workers
41 laborers have employed planted trees in the forest. For 7 hour work, a day would end job in 32 days. After 12 days, 7 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 8 hours a day? - Trams
Two trams started at the same time from the same place. One tram journey takes 30 minutes, and the second 45 minutes to its final stop. How long will the trams meet again? - Quarter circular
The wire hooked around the perimeter of the quarter-circular arc has a length of 5π+20. Determine the radius of the circle arc. - Fraction
Find for what x fraction: (-4x -6)/(x) equals:
- Two cars
Two cars started against each other simultaneously to journey long 230 km. The first car went 48 km/h and the second 56 km/h. What distance will be between these cars 20 minutes before a meeting? - Time
Write time in minutes rounded to one decimal place: 3 h 48 m 45 s. - Rectangle
The rectangle is 21 cm long and 38 cm wide. Find the radius of the circle circumscribing the rectangle. - Garden
The square garden area is 2/9 of a triangle garden with sides 160 m, 100 m, and 100 m. How many meters of fencing are needed to fence a square garden? - Bus vs. train
The bus started from point A 15 minutes before the train started from the same place. The bus went at an average speed of 45 km/h, train at 54 km/h. To point B train and bus arrived simultaneously. Calculate the train journey time if the train and bus tra
2.1 EUR discounted one meter of the textile. Now, 10 m of textile costs the same as 8 m. Calculate the old and new prices of 1 m of textile.Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
