Time - math word problems - page 101 of 161
Number of problems found: 3219
- Renovate 7342
The first company would renovate the complex in 30 hours. Another company would fix it in 20 hours. But the first company left after 5 hours of joint work. How long will it take to renovate the site? - Particular 7338
Two workshops of a particular company produced 25 parts a day. To have 300 pieces, one worked for ten days and the other for 15 days. How many parts did each workshop make per day? - Construction 7337
A smaller car would bring 40 times the material needed for construction, and a larger car 30 times. When the first and second cars had made 12 trips, the smaller car was recalled, and the larger one was to bring the remaining material. How many more roads - Half-filled 7336
The water tank is filled with the first inflow in one hour and 10 minutes and the second in 60 minutes. How many minutes will the tank be half-filled with both inlets if the second outlet is opened 12 minutes later? - Calculation 7334
In a computer center, one computer would work 12 hours to solve a task, and another, more powerful, would solve the same task for 10.5 hours. If both computers work together, the calculation time would be reduced for a certain period. Calculate how long i - The factory
The factory z can complete an order in 12 days, and factory p can complete it in 18 days. How many days does an order complete when the first two days work only the factory z and then both factories? - Together 7332
One tractor driver would mow the field in 15 hours. Another tractor driver would do the same job in 12 hours. How long will it take them to do the work together if the latter starts plowing two hours later than the former? - People 7331
How many people must be in a group for at least two of them to be born in the same month? - Water reservoir
One drain hole emptied the water from the tank for 20 hours, with the second drain for 30 hours. How long will the water drain from this tank if we open two drains simultaneously? - Competition 7328
Adam was practicing for a darts competition in class. Every day at home, he threw darts at a target in which the individual fields were worth 1,3 and 5 points. He threw 9 darts every day and always scored 27 points. He is in good form and never missed a t - Beginning 7325
Since the beginning of last year, Mr. Pilný had a monthly salary of CZK 10,520. From which month (1-12) was his salary increased by CZK 1,400 when he earned CZK 1,332,40 in a year? - Michal 7323
Uncle Josef is three times as old as Michal. Twelve years ago, Josef was nine times older than Michal. How old are they now? - Determine 7314
The hiker went from A to B and back in 3 hours and 41 minutes. The road from A to B is first uphill, then flat, and finally downhill. A hiker walked up a hill at a speed of 4 km/h, on a flat surface at a speed of 5 km/h, and down a hill at a speed of 6 km - One-tenth 7312
The brother and sister will be a total of 73 years old. At present, a sister is one-tenths older than her brother. How old are they now? - Continued 7310 In one workshop, they will do the given work in 15 days; in another workshop, where more members work, they will do the given work in 10 days. After three days of joint work, only the larger workshop continued the assigned work. In how many days will he f
- The contry - emigration
How many people lived in the country at the end of the year if there were 1,048,000 at the beginning? During the year, 11,730 children were born in the country, 1,350 people emigrated from the country, and 1,620 people returned or immigrated to the countr - Karel's 7305
Paul's age is 60% of Karel's age. In 15 years, Paul's age will equal 80% of Karel's age. How old is Pavel? - Odd/even number
Pick any number. If that number is even, divide it by 2. If it's odd, multiply it by three and add one. Now, repeat the process with your new number. If you keep going, you'll eventually end up at one every time. Prove. - Honza Honza is 13 years old, and Peter is 21 years old. After how many years will their ages be, at a ratio of 7:9?
- Distance 7296
The cyclist covered a certain distance in 9 hours. How many hours does a car need to travel four times more if it moves three times faster?
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