Time - practice for 12 year olds - page 12 of 51
Number of problems found: 1001
- Hypotenuse 65744
Construct a right triangle ABC with the hypotenuse AB: a) | AB | = 72 mm, | BC | = 51 mm b) | AB | = 58 mm, | AC | = 42 mm - Kilometers 65444
The cyclist will ride 42.5 km in 2.5 hours. How many kilometers will he cover in 4 hours and 15 minutes? - Arithmetic 65234
Katka is six years old. The arithmetic mean of the ages of Anna and Paul is 12 years. What is the arithmetic average age of Katka, Anna, and Paul? - Developed 64664
The cyclist in the 1st stage covered 70 km at a speed of 22.1 km/h. In the 2nd stage, he covered 40 km (a total of 110 km), and his average speed increased to 22.9 km/h. What an average speed he developed in the 2nd stage. - Products 64374
The machine will produce 5,600 products in 7 hours. How many products will they make in 8 hours? - Hector
Hector has 3/4 hours to spend completing his homework. He wants to spend 1/3 of his time on math homework, 10 minutes on reading homework, and the remaining time on science homework. How much time, in minutes, does he have to spend on his SCIENCE homework - Themselves 64094
The wall clock strikes every full hour, as many strikes as there are hours. The pauses between punches last as long as the punches themselves. At 6:00, exactly 22 seconds passed from the beginning of the first stroke to the end of the last stroke. How lon - Practicing piano
Hoor spent 15 hours last week practicing piano. If 3/7 of the time was spent practicing warm-up routines, how much time did he spend practicing warm-up routines? - Travels 63514
The cyclist travels 10 km per hour, car 60 km. The cyclist went for 3 hours. How many minutes does the same journey take to a car? - Grandfather 63074
My only son was born when I was 37 years old. That was exactly 32 years after the death of my grandfather, and he died at the age of 64. Dedecek was 12 years older than Grandma; they got married in 1947, just when Grandma was 18 years old. What year was m - Maximum 62834
The driver must not exceed the maximum allowed speed of 90km/h. Can he make the journey from Cheb to Teplice 145km in an hour and a half? - Earning 4
You earn $8 for 2/3 hours of work. How much do you earn per hour? - The cyclist - avg speed
The cyclist make a distance of 25 km at an average speed of 20 km/h. How long did the trip take him (in hours and minutes)? - Otrokovice 60903
From Strážnice, a motor boat left the Baťa canal at a speed of 12 km/h towards the anchorage near Otrokovice. Two hours later, a second boat followed her at a speed of 20 km/h. Both ships arrived in Otrokovice at the same time. How many kilometers is it f - Science experiment
During a Science experiment, a liquid was heated at the rate of 8 degrees Celsius per minute for 10 minutes. It was then allowed to lose heat at 6 degrees Celsius per minute. If the final temperature was 76 degrees Celsius, what was its temperature 16 min - Market open
A certain market opens for sales every 7th day of the week. If it opened last on a Friday, what day of the week will the market be opened again after nine months? (Hint: a month is 30 days) - Faucets
A large tank is partially filled with a solution. The tank has a faucet that allows the solution to enter the tank at a rate of 16 3/4 liters per minute. The tank also has a drain that allows the solution to leave the tank at a rate of 19 4/5 liters per m - Kamal
Kamal walks to his school, which is at a distance of 3 km from his home, in 30 minutes. On reaching, he finds that the school is closed and comes back by bicycle with his friend and reaches home in 20 minutes. His average speed in km/h is - Peter's 60371
How old is Peter's brother now if he has four times as many in 15 years as he did 15 years ago? - Five people
Five people can finish painting a wall in 4 hours if only two people are available. How many hours do they have to work to finish the same job?
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