Themes, topics - math word problems - page 140 of 167
Number of problems found: 3338
- The car
The car traveled the distance between A and B for four hours. If we increase the average by 17 km/h, the car travels this distance an hour earlier. Determine the initial speed of the car and the distance between A and B. - The creek
Workers cleaned the creek within three days. On the first day, cleanse one-fifth of the creek's length; the next day, 40% of the stream's length; and on the third day, 8 km length of the creek. How long is a creek? - Interst on savings
The bank offers 1.6% interest. How many euros do we have to insert at the beginning if we receive € 15 on the interest? - The deposit
A deposit of € 2,612.5 was placed for one year at an annual rate of 4.5%. After one year, the amount rose to € 2,612.5. Find the initial deposit. - Triangle ABC
Construct a triangle ABC is given c = 60mm, hc = 40 mm and b = 48 mm analysis procedure steps construction - Fe vs. H2O
The volume of what the body of the same weight is greater: iron or water? - Blueberries 2
Lenka and Martin collected eight liters of blueberries in two hours. How long will Lenka take to collect blueberries itself if we know that she collects all 2.5 hours less than Martin? - Sweets
We want to prepare 5 kg of sweets for 150 CZK. We will mix cheaper candy: 1 kg for 120 CZK and more expensive candy: 1 kg per 240 CZK. How many of these two candy types are necessary to prepare this mixture? - Resistance
Determine the bulb's resistance with the current 200 mA and is in a regular lamp (230V). - Cycling trip
At 8 AM start, a group of children from the camp started on a day cycling trip. After 9:00, the weather deteriorated sharply, and the leader decided to send for the children's bus on the same route, which started at 10 hours. For how long and at what dist - Car and cyclist
The cyclist started from town at a speed of 18 km/h. After 1 hour 30 min started the car from town and caught up with the cyclist in 50 minutes. How fast was the car? - Two planes
Two planes are flying from airports A and B, 420 km apart. The plane from A took off 15 minutes later and flew at an average speed of 40 km/h higher than the plane from B. Determine the average speed of these two aircraft if you know that it will meet 30 - Diver and pressure
Determine the pressures exposed to a diver without a suit at a depth of 15 meters, with a small space suit at a depth of 25 meters, and a massive suit at 70 meters in water. - Contract
Eight employees complete the contract for 65 hours. After 17 hours, three employees had to leave for another job. How many more hours will the job on the contract be fulfilled? - Calculation 3620
The mine foreman calculated that 2 pumps must be in operation for 17.5 hours to drain the tunnel. He wanted to speed up the emptying of the shaft and added 3 more identical pumps. How long will it take to empty the shaft? Please also show your calculation - Pumps
Four identical pumps fill the tank in 40 hours. How many pumps would we have to use if we wanted to save 8 hours? - Distance 3615
Honza left home at 8 a.m. on foot at an average speed of 4 km/h. At 11 a.m., dad followed him on a bicycle at an average speed of 40 km/h. How long and at what distance from home will dad catch up with Honza? - Master work
The master will complete the given task in 4 hours. When they're done together, how long will it take to master students entirely in three hours? - Diagonals 3580
Cube edge length 5cm. Draw different diagonals. - Vacation 3568
Novak and Vyborn are leaving from a joint vacation. They agreed that when they were 100 km apart, they would send each other SMS. Novices drive at a speed of 60 km/h, Advanced 90 km/h. They left at 2:00 PM (14:00). What time do they text each other?
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