Maths practice for 11-year-olds. - page 197 of 230
Number of problems found: 4585
- According 2831
The owner of the house received two different plans for the new building. One with a scale of 1:100, followed by the builders, and the other with a scale of 1:25, according to which he will finish the interior. In the first plan, his living room was 7 cm - Registers 2827
When eight cash registers are open in the grocery store, customers wait for an average of 12 minutes. What will the waiting time be if the other two cash registers open? - Younger 2826
Milan and Juraj are a total of 56 years old. Milan is eight years younger than Juraj. Please find out how old each of them is. - Excavator
The excavator bucket capacity is 0.5 m³. Determine the mass of sand that the excavator picks up. The sand density is 1700 kg/m³. - Chocolates 2821
Peter ate one-sixth of the candy from the box of chocolates, and ten candies increased him. How many candies did Peter's box of chocolates have? - Conservationists 2820
A group of nature conservationists (a total of 28 members) and a sports team (16 members) worked for 7 days to clean up the forest park with an area of 10 ha. How many days would conservationists have to work without the help of athletes? - Two-fifths 2819
The petrol tank is filled to three-quarters of its volume. After running out of 875 liters of gasoline, it was filled to only two-fifths of the volume. How many liters does a full tank have?
- Lemonades 2816
Three cakes and two lemonades cost € 3 and 21 cents. Three cakes and three lemonades cost € 3 and 99 cents. How many cents does one cake cost, and how much does one lemonade cost? - Rectangular 2815
Calculate the actual proportions of the rectangular plot in meters, which has dimensions of 70 mm and 90 mm, on a 1:2000 scale plan. - Buckets 2811
The barrel is filled with water up to 57% of its volume. When we add two buckets of water, we will fill it to 73% of its volume. What is the volume of the barrel if the volume of the bucket is 12 liters? - Similar 2810
Seven similar books are € 52 cheaper than 11 similar books. How much does one book cost? - Enough 2809
Five horses will eat oat stocks in 15 days. For how many days is the supply for three horses enough? - Hundred 2808
Three times the unknown number minus ten is less than one hundred, as one hundred is more than twice that number. Which number is it? - Four-digit 2807
How often do we add 25 to 124 to get the largest four-digit number? - Single-digit 2805
Which two single-digit numbers have the sum and product of the same number?
- Identical 2804
Eighty identical light bulbs shine in the sports hall for two hours. How long does it take to consume the same energy from 100 such bulbs? - Construction 2798
The truck driver drives bricks for construction. If he went three times a day, he would produce the bricks needed for construction in 12 days. How many times a day does he have to go to finish work three days earlier? - Dimensions 2797
They cut the large glass plate into two pieces. The first piece has dimensions of 120 cm and 150 cm. The second has dimensions of 100 cm and 150 cm. What is the weight of the second piece if the first piece weighs 2.4 kg? - Creases 2795
Three punch cuts cost as much as two creases. How much does it cost if five punch cuts cost 2 euros 50 cents? - Expressions
Find out value of expressions if a = -1, b =2: x=b - 2a - ab y=a³ - b² - 2ab z=a² b³ - a³ b² w=a + b + a³ - b²
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