Time - practice for 11 year olds - page 12 of 28
Number of problems found: 545
- Playground 25761
Vašek is supposed to be on the playground, which is 2.5 km away from his home, in 15 hours and 30 minutes. What time does he have to ride his bike to be on the field 5 minutes earlier if he drives at 50km/h? - Interval 25531
The period is between 8:15 and 9:05. The period is to be divided into six parts. How long will it take one interval per second? - Simultaneously 25521
People travel to the seaside in Greece for 8-day, 10-day and 12-day stays. An assigned delegate flies there and back with each group of passengers. On May 1, all three groups and their delegates will fly to the sea simultaneously. When will all three dele - On a
On a someday, the Sun, Venus, and the Earth are in eclipse, i. E. Venus is between the Sun and the Earth. Venus orbits the Sun in 225 days. In how many years will all three bodies be in alignment again?
- Cleaning 24411
Thirty pupils took part in the cleaning of the local stream. Everyone had to work t hours. N pupils worked half an hour longer. How many hours did the students work to clear the stream? - Drivers
Driver Franta and driver Karel are friends. They leave the start-stop at the same time in the afternoon - at 13.30. When will they meet again if Franta goes around his route in 50 minutes and Karel in 40 minutes? - Cyclist 12
What is the average cycle speed traveling at 20 km in 60 minutes in km/h? - Revolutions 24121
The white wheel has 24 teeth. The black wheel has fewer teeth than the white wheel. Both wheels return to their initial position for the first time after two revolutions of the white wheel. How many teeth does the black wheel have? - Tram stop
The blue tram stops every 12 minutes, the red one for 8 minutes. At 8 o'clock, they left the stop together. How many times do they meet at a stop before 11 AM?
- The swallow
The swallow will fly 2.8 km per minute. How many km will the swallow fly in one hour? - The orchard
Four temporary workers harvested the orchard in 9 days. How many temporary workers do we need for six days? - Daughter 19573
The father is 36 years old. His daughter is four years old. Write down the ratio of father and daughter age. What will be the age of the father and daughter in 4 years? - Delivers 19143
The pump delivers 34 hl of water per minute. How long does it take to fill the tank with a volume of 10m³? Write the result in hours and minutes. - Superman 19093
Superman has a jet car that drives at 720km/h. How many seconds will he reach the villain who is 1600m away?
- Simultaneously 18813
2 ships sail simultaneously towards each other from places 2340m apart. I sail both ships at a constant speed. The first boat travels 56m per minute, and the second 74m per minute. Create an equation that corresponds to the assignment of the task if the u - Harvesters 18633
Rope wheat harvests seven combine harvesters in 5 days at total capacity. The weather forecast is required to complete the harvest in 4 days. How many combined harvesters had to be used together? - Beet campaign
The beet field is being harvested. Beets are transported to 3 plants and three trucks. The first car returns to the field three times an hour, the second car after 30 minutes, and the third car five times an hour. All cars left at 8 in the morning. How ma - Motorcyclist 17921
The motorcyclist travels at a speed of 48 km/h. Will he drive at this speed in 400 minutes? Km - Block-shaped 17203
A block-shaped pool with bottom dimensions of 12 m and 20 m and a depth of 2 m is filled with two pipes. The first pipe flows 6 l of water per second, the second 2.4 hl per minute. How many hours and minutes will the pool be filled 40 cm below the edge?
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