Time - math word problems - page 122 of 161
Number of problems found: 3219
- Oil tank and pipes
Two oil pipelines can fill the underground oil tank. The first is filled in 72 hours, and the second in 48 hours. How many hours from when the first pipeline began to fill the oil is necessary to start filling it with the second to fill in 1 and 1/2 days?
- Father 4952
A father and son mow the lawn in 3 hours. How much would a father do on his own if they both cut just as fast?
- Workers 4949
The three workers will dig one big pit in two days. How many workers would dig seven large pits in three days?
- Acceleration 2
If a car traveling at a velocity of 80 m/s/south accelerated to a speed of 100 m/s east in 5 seconds, what is the car's acceleration? Using Pythagorean theorem
- Alarm clock
The old watchmaker has a unique digital alarm in its collection that rings whenever the sum of the alarm's digits equals 21. Find out when the alarm clock will ring. What is their number? List all options.
- Three elephants
Three elephants eat three piles of hay in 150 minutes. For how long do 96 elephants eat 96 stacks of hay?
- Time adding
Add and write the result again as hours, minutes, and seconds: 2hours45min15s + 1hr20m50s =
- Rings - intersect
There are 15 pupils in the sporting ring. Ten pupils go to football, and eight pupils go to floorball. How many pupils go to both rings at the same time?
- Earth's diameter
The Earth's diameter on the equator is approximately 12750 km. How long does the Gripen fly over the Earth above the equator at 10 km if it is at an average speed of 1500 km/h?
- Study
For 7 hours of study, she scored a 75, so if she made 93, how many hours would she need to study?
- Mr and Mrs
Mr. Calda and Mrs. Cald have a total of 139 years. How many years have when we known that Mr. Calda is nine years older than Mrs. Cald?
- Traffic collision
When investigating a traffic accident, a policeman found that the driver stopped the vehicle immediately after the accident by constantly braking on a 150 m track in 15 seconds. Do you approve that the driver exceeded the village's permitted speed (50 km/
- Midnight
How many hours will it be if the time elapses from 8:00 is equal to 2/5 of the time that will pass until midnight?
- The tram
The tram is moving with acceleration a = 0.3m/s2. How long will it pass the first meter of the track? How long does it take 10 meters? What is its speed at the end of the 10-meter track?
- Pumps 4912
A pool with one pump fills in 14 hours and the other in 15 hours. How long will the pool fill when both pumps are used?
- Driver
The driver of the supply car reckoned that at the average speed of 72 km/h arrived at the warehouse for 1 1/4 hours. After 30 km, however, he unintentionally drove to the gas station and had ten minutes delay. At what average speed would you have to go th
- Immediately 4906
It is Monday at 10 a.m. Luboš has returned from the doctor, who prescribed him tablets: he will take the first one immediately, the next two days he will take them after six hours, and the rest after eight hours. When will Luboš collect all the tablets if
- Increased 4898
The price of flour increased three times in a row by 10% each time. The shop then reduced it by 30%. Now the price of flour is 5.60 CZK. What was the original price?
- Fraction of a time
Express a fraction of what a 24-hour portion is, 80 minutes.
- Championships 4886
The pool had to be filled before the World Championships. The first pump would fill in 12 hours, the second in 15 hours, and if all three pumps were started simultaneously, they would fill the pool in 4 hours. How long would the pool be filled with only t
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