Maths practice for 11-year-olds. - page 223 of 230
Number of problems found: 4596
- Trio
A trio of workers earns 750 euros. Money is divided by the work that each of them makes. The first received twice the second, and the second received three times more than the third. How many got everyone's workers? - QuizQ
An isosceles triangle has two sides of length 38 m and 15 m. How long is a third side? - Hostel
Students are accommodated in 18 rooms. Rooms were 4 and 6 bed. How many rooms in which type occupied 92 children there? - RWY
Calculate the opposite direction of the runway 13. Runways are named by a number between 01 and 36, which is generally one-tenth of the azimuth of the runway's heading in degrees: a runway numbered 09 points east (90°), runway 18 is south (180°), runway 2 - It is rectangular?
The size of two of the angles in a triangle is α=110°, β=40°. Is it a right triangle? - Triangle
For how many integer values of x can 5, 6, and x be the lengths of the sides of a triangle? - Root
The root of the equation (x-10)² +4 = x² +35x is (equal or greater or less than zero). ...
- Opposite numbers
Calculate opposite numbers (additive inverse) to given ones: - Forestry workers
84 laborers have employed planted trees in the forest. For 9 hour work, a day would end job in 38 days. After 18 days, 6 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 12 hours a day? - RBA
Regional Building Authority has an annual budget of EUR 1806814. In the previous calendar year, has processed 804 approval procedures. How much does an average one-building approval cost (e.g., unsuccessful revoke)? - School trip
School trip cost 247.2 Eur for one class (24 students). How much would a trip cost for two classes? (both classes together have 53 students) - Homework
The monthly fee for the phone is 10 Eur and for the phone unit 0.06 Eur. How many families paid phones in the first quarter of Q1 if January 1 had on the counter 46674 units and on April 1 47495 units? - Quarter circular
The wire hooked around the perimeter of the quarter-circular arc has a length of 14π+56. Determine the radius of the circle arc. - Fraction
Find for what x fraction: (-4x -6)/(x) equals: - Unknown x
If we add to the unknown number 35, then divide by 2, and then subtract 35, we get back an unknown number. What is this unknown number?
- Rope
Half of the rope used Mam for packaging, half of the rest got a son, half of the rest he took the father and two-fifths of what remained and got a daughter. Remained 143 cm of rope. How long was the rope at the beginning? - Time
Write time in minutes rounded to one decimal place: 3 h 48 m 45 s. - Car
A car travels 3/7 of the trip on the first day, the second day 1/4 of the trip, and leaves even 340 km for the following days. How long is the trip? - 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 - Excavation
Mr. Vendelín calculated that excavation for a water connection digs for 10 days. His friend would take 10 days. Vendelín worked 3 days alone. Then his friend came to help and started on the other end. On what day since the beginning of the excavation they
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