Time - math word problems - page 62 of 158
Number of problems found: 3159
- One-fifth 42071
One-fifth of twice the number t is one.
- Radiators
Calculate the radiator output if it has a thermal gradient (difference between inlet water and return temperatures) a) 5°C b) 10°C c) 15°C d) 20°C A heating water volume flow is 45 kg/h. How fast the water flows from the supply pipe to the radiator e) DN1
- Family age
Kubo is 14 years old and has a one-year-old sister, Nina, and a four-year-old brother, Sam. In how many years will Nina and Sam be as old as Kubo?
- Governments 41931
Father put €600 in a bank that pays government interest at a rate of 3%p. A. Grandfather put €610 in a bank that will make governments at a rate of 2%p. A. Which will have more money if they withdraw from the bank after one year?
- Free fall
The elevator car weighing 720 kg, is torn off at the height of 125 m and begins to fall in a free fall. How much kinetic energy did the elevator car have when it hit the ground floor of the building when the free fall of the car lasted 5 s?
- Performance 41891
The car's engine develops a power of 1800N. Find its performance if it travels evenly on a horizontal path at 48 km/h.
- Happy marriage
Jan and Marienka have been in a happy marriage for several years. Jan's age is written in the same numbers as Marienka's, only in reverse order. Their ages differ by just a fifth of Marienka's. Jan is older. How old is Jan, and how many is Marienka?
- She showed the PC
Sabína wrote down how many hours a day she sat at the PC. Dana showed the situation with a radar graph. She was around 100% at the PC longer on weekends than on weekdays. Saturday-5 hours, Sunday-4 hours. And during the week it was: Monday 1 hour, Tuesday
- Giraffe 2
The lifespan of a guinea pig is six years less than that of a giraffe. The lifespan of a tiger is four times that of a guinea pig. If the total lifespan of the animals is 30 years, calculate the longevity of the giraffe.
- Bathroom 4
Dolor puts 3 1/2 pails of water into a water container in the bathroom daily. Her daughter, Lei, uses 2 1/4 pails of water daily when taking a bath. If the water container had 5 5/8 pails of water at the start, how much water would be left in it after fiv
- Permutations with repetitions
How many times can the input of 1.2.2.3.3.3.4 be permutated into four digits, three digits, and two digits without repetition? Ex: 4 digits = 1223, 2213, 3122, 2313, 4321. . etc 3 digits = 122.212.213.432. . etc 2 digits = 12, 21, 31, 23 I have tried the
- Saving in January
On the 1st of January, a student puts $10 in a box. On the 2nd, she puts $20 in the box, and so on, putting the same number of 10-dollars notes as the day of the month. How much money will be in the box if she keeps doing this for a) the first ten days of
- A worker
A worker who worked 32.5 hours in a week earned 500 euros. On average, how many euros did he earn per hour?
- Simultaneously 41451
Cities A and B are 36 km apart. A pedestrian leaves town A at a speed of 6 km/h to place B. A cyclist leaves town B simultaneously at a speed of 24 km/h to town A. In how many hours and at what distance will they meet? Write the result in minutes.
- The town
The town population is 56000. It is decreasing by 2% every year. What will be the population of the town after 13 years?
- Rose spends
Rose spends 2 1/3 hours studying Math, 1 3/4 hours studying English, and 2 1/4 hours studying Science. Find her average time studying the three subjects.
- Alice 2
Alice swims for 2.5 hours every Saturday and 3.5 hours every Sunday. How many hours does she swim in 4 weeks?
- Ingrid
Ingrid watched television for 2 1/4 hours, and Devon watched for 3 2/3 hours. For how many hours did they watch television in total?
- Cindy run
Suppose it takes 1/3 of an hour for Cindy to run 3/5 of a mile. How many miles does she run in 1 hour?
- A merry
A merry-go-round can hold 36 people on each 5-minute ride. How many people would have received a ride on the merry-go-round in an hour?
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