Time + subtraction - practice problems
Number of problems found: 53
- Five pumps
Three same pumps fill the tank with 50400 liters of diesel in 7 hours. How many liters of diesel will it take in 4 hours if we add two more of the same pumps and pump them the same way? How much more (or less) will they get if we add 2 of the same pumps a
- Water colors
Painting workshop attend 10 students. Eight students painted water colors and nine painted with tempera colors. How many students painted water colors and tempera at the same time?
Nightingale sang five seconds for 5 hours and 5 minutes. How many seconds were missing to sing 10 hours?
Two classes want to collect money. Boys are four-seventh pupils. In time did not pay a quarter of the boys and a sixth of girls, which mean 12 sinners. How many pupils attend these two classes?
Determine the difference in minutes: T1 = 2 3/20 h T2 = 2.3 h
The temperature is -8 degrees Celsius in the freezer. The outside temperature is 2 degrees Celsius. One minute took to change the temperature by one degree Celsius if we open the door. How many minutes the temperature in the freezer will rise?
When we add to the difference between the numbers 1704 and 654 the difference numbers 14920 and 14042, we get a year in which television was invented. How many years have people known the TV?
- Clock Tower
What angle is betwenn hands on Clock Tower when show 17 hours and 35 minutes?
Exactly after 114 hours, we sit down at the Christmas Eve table. What day and what time it was when Dad said this sentence. At the Christmas Eve table, they sit down exactly at the 18-o'clock (6 PM).
The theatrical performance started at 15:50 and ended at 18:50. How many minutes long?
- Bus vs. train
The bus started from point A 10 minutes before the train started from the same place. The bus went an average speed of 49 km/h, train 77 km/h. To point B train and bus arrived simultaneously. Calculate the time of the train journey, if train and bus trave
Pediatrician this month of 20 working days takes 8 days holidays. What is the probability that on Monday it will be at work?
11 hens will eat spilled grain from 6AM to 16 PM. At 11 hour grandmother brought 4 hens from the neighbors. At what time was grain out?
Do you want to convert time units like minutes to seconds? Time - practice problems. Subtraction practice problems.