Maths practice for 11-year-olds. - page 152 of 230
Number of problems found: 4588
- Three pumps
The water tank is emptied with the first pump in 6 hours and with the second pump in 2 hours. All three pumps had to be started at once to be emptied in 1 hour. How long will it take to empty the tank with only the third pump? - Dimensions 6241
The truck's body, with dimensions of 3m, 1.5m, and 0.75m, is full of Sand. If one m³ of Sand weighs 1500kg, what is its weight? - 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. - Chewing gums
You will pay 20 CZK less for three than seven chewing gums. How much is one chewing gum, and how much does a 5 pcs package cost? - Length 6235
Length 25m, width 10m, depth 160 cm. How many square meters are needed to line the pool? - Meters 6234 The pool is 25 m long, 10 m wide and deep 8 meters. How many square meters will be needed to line the walls and bottom of the pool?
- One-piece 6233
If we take six pieces, we will pay only for four. One piece cost 7, and my mother bought 31 pieces. How much did she pay for the purchase?
- Opening 6232
The bank has opening hours from 07:30 to 16:30. How many hours is the bank open? - Frames 6227
For five photo frames, you pay 12 euros more than three frames. How much is one frame? - Centimeters 6220
A pizza in the shape of a circle occupies an area of 94.985 square cm. What is the smallest integer diameter in centimeters that the plate on which we want to place this pizza must have so that the plates do not overlap - Pizza 5 You have 2/4 of a pizza and want to share it equally between 2 people. How much pizza does each person get?
- Students 6215
Write down how many students were sick. If there were three students in the class, last week's students had sore throats and flu. - Two-digit 6212
I think of a number, add it to itself, subtract 6, then divide by 2, add 7 and multiply by 8. The largest two-digit number that contains only even digits came out. How much is the result greater than the imaginary number? - 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? - Konecara 6203
The trip to the top of Konecara and back lasted 5 hours and 17 minutes. We rested at the peaks for 32 minutes. The way back took 51 minutes less than the way there. How long did the trip to the top take?
- Equation: 6200
Solve the equation: 2y = 4 (0.5 + 3/2) -1 - Calculate 6193
On a project with a scale of 1:250, the length of the pool is 2.00mm, and the width is 1.00mm. The depth of the pool is 1.5 m. Calculate how many hectoliters of water will fit in the pool. - Three-quarters 6192 The swimming pool in the Veselý yard is square-shaped with dimensions of 2.5m by 3.4m and is 1.7 meters deep. How many liters are in the pool if it is filled to three-quarters of its total volume? Please round the result to tenths.
- Dimensions 6190
The juice box with a volume of 1 l has two dimensions, 6 cm and 165 mm. Calculate the third dimension of the box. - Calculate 6185
Calculate the rectangle area measuring 0.9 m and 6 dm in cm square.
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