Direct relationship - practice for 12 year olds - page 8 of 18
Number of problems found: 347
- Ratio of sides 2
The ratio of the side lengths of one square to another is 1:2. Find the ratio of the area of the two squares. - Two brothers
The two brothers were to be divided according to the will of land at an area of 1ha 86a 30m² in a ratio of 5:4. How many will everyone get? - Helicopter 6287
On the map, at a scale of 1:1100000, the aerial distance between Martin and Brezno measures 5.5 cm. Calculate the aerial distance covered by the helicopter when it flies from Martin to Brezno and back. - Harvested 6269
Five workers harvested fruit in 150 hours. How many temporary workers have to work to harvest fruit in 250 hours?
- Calculate 6268
Calculate the unknown velocity x if: 24 km/h. ... . .. .20min x km/h. ... . .. .12min - Two-euro 6259
We have one-euro and two-euro coins. There are 12 two-euro and 6:2 one-euro ones. How many euros do we have together? - Building
We divided 240 boards into two piles in a 5:3 ratio at the building. How many were fewer boards in the lower pile? - Shadow of tree
Miro stands under a tree and watches its shadow and shadow of the tree. Miro is 180 cm tall, and its shade is 1.5 m long. The tree's shadow is three times as long as Miro's shadow. How tall is the tree in meters? - Calculate 6240
The ratio of the two natural numbers is 2: 3. The smaller number in this pair is 12. Calculate the larger A number from this pair.
- Three 43
Three brothers inherited a cash amount of 62,000 and divided it among themselves in the ratio of 5:4:1. How much more is the largest share than the smallest share? - Distance 6211
On a map with a scale of 1:25 000, the distance between cities is 11 cm. What is the actual distance between cities? - Report 2
A School reports students to teacher ratio of 6:1. If there are 45 teachers in the school, how many students are there? - Two discounts
The MP4 player cost 960 CZK, and the price was twice gradually reduced in the ratio of 4:3:3/2. How much did the player cost after the second discount? - Motorcyclist 6145
The cyclist covered a certain distance in 6 hours and 15 minutes. How long will it take for a motorcyclist to travel five times more if he travels three times faster?
- Strawberries 6125
Friends Marika and Katka decided to prepare strawberry jam together according to the recipe. They needed 50g of sugar for 0.5kg of fruit. How many kilograms of sugar must the friends prepare if they make jam from 2.3 kg of strawberries? - Naturally 6121
The ratio of the two natural numbers is 2:3. The smaller natural number from this pair is 12. Calculate the larger. - Map scale
The rectangular plot has a scale of 1:10000 area of 3 cm² on the map. What area does this plot have on a 1:5000 scale map? - Cuboid
The sum of the lengths of the three edges of the cuboid that originate from one vertex is 210 cm. The edge length ratio is 7: 5: 3. Calculate the length of the edges. - Minutes 6071
What is the angle of the big hand of the watch in 20 minutes?
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