Basic operations and concepts - math word problems - page 253 of 321
Number of problems found: 6415
- Diggers
The excavation was carried out in 4 days, and five workers worked on it for 7 hours daily. Determine how long it would take to excavate if seven workers worked on it 8 hours a day. - The tourist
The tourist traveled 78km in 3 hours. Part of the journey went on foot at 6km/h, the rest of the trip by bus at 30km/h. How long did he walk? - Bicycle gear
The pedal bicycle wheel has 56 teeth and a rear 20-gear tooth. How many times does the bicycle wheel turn when you make 20 turns of the pedal wheel? - Mason with assistant
Mason had to complete the work in 10 days. Two and a half days later, his assistant arrived. Together, they completed the work in the next three and a half days. How many days would he need an assistant for the same work? - Compound interest
Compound interest: Clara deposited CZK 100,000 in the bank with an annual interest rate of 1.5%. Both money and interest remain deposited in the bank. How many CZK will be in the bank after three years? - Cakes Z8-I-5
Mom brought ten cakes of three types: coconut was less than Meringue Cookies, and most were caramel cubes. John chose two different kinds of cakes. Stephan did the same, and Margerith left only the same type of cake. How many coconuts, Meringue Cookies an - Spirit
From 55% and 80% spirit, we would like to produce 0.2 kg of 60% spirit. How many of them must we use in a solution? - Alcohol
6l 48% alcohol, how much must we add 52% alcohol to give 50% alcohol? - Beds
At the summer camp, there are 41 chalets. Some rooms are 3 beds, some 4-beds. How many campers from 140 are living in 3-bed? - Matemakak 9432
The cookbook by Matěj Matemakak says: The greatest common divisor of flour weight and sugar weight is 15, the greatest common divisor of sugar weight and lemon peel weight is 6, the product of sugar weight and lemon peel weight is 1800, and the smallest c - Distribute 6298
Sixteen employees will distribute leaflets in 12 days. How long will it take if, after four breaths, six workers go to work elsewhere? - Participants 80965
After the meeting, all participants shook hands with each other - a total of 105 times. How many people were there at the meeting? - Dilute 8392
I have 500ml of 31% acid and must dilute it to 5%. How many ml of water do I need to add? - Calculated 6048
The ambulance driver calculated that at an average speed of 60 km/h, he would arrive at the hospital in 50 minutes. After driving 25 km, he stopped at the pharmacy for 5 minutes. What average speed must he travel the rest of the way to make up for the del - Sugar - cuboid
Pablo received from his master a cuboid composed of identical sugar cubes, each weighing between 1000 and 2000. The Pejko eat sugar cubes in layers. On the first day, eat one layer from the front. On the second day, one layer is from the right, and on the - Pumps
Six pump fills the tank for three and a half days. How long will fill the tank with seven equally powerful pumps? - Bulbs
The probability that the bulb can operate 4000 hours is 0.3. What is the probability that exactly one of the eight bulbs can operate 4000 hours? - Forestry workers
84 laborers have employed planted trees in the forest. For 9 hour work, a day would end job in 38 days. After 18 days, 6 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 12 hours a day? - We roll
We roll two dice A. - what is the probability that the sum of the falling numbers is at most 4 B. - is at least 10 C. - is divisible by 5? - Block-shaped 13521
A block-shaped aquarium with dimensions of 82 cm, 30 cm, at 7.6 cm is filled with 70% water. How many liters of water is in it? What height does the water reach? From what% of the sidewall area is wetting?
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