Basic operations and concepts - math word problems - page 266 of 332
Number of problems found: 6633
- Practice
How many ways can you place 20 pupils in a row when starting on practice? - Friends in cinema
5 friends went to the cinema. How many possible ways can they sit in a row if one of them wants to sit in the middle and the remaining place does not matter? - The camp
At the end of a camp, 6 friends exchanged address cards. Each friend gave their card to each of the other 5 friends. How many cards were exchanged in total? - Pediatrician
Pediatrician, this month of 20 working days takes 4 days holidays. What is the probability that it will be at work on Monday? - Meeting handshake count
After the meeting, all participants shook hands with each other - a total of 105 times. How many people were there at the meeting? - Combinations - elements
If we increase the number of elements by 1, the number of combinations of the third class without repetitions increases by 10. How many elements do we have? - Closest point
On the line p: 2x + y + 1 = 0, find the point A ∈ p that is closest to the point P =(1,0) - Pool filling time
How long in an hour will a 30 m, 15 m, and 2 m pool be filled with water flowing at 900 l / min if it is 90% full? - Metal sheets
How much metal sheet is needed to produce eight 4 m long and 12 cm in diameter gutters? During production, joints are calculated at 3% of total consumption. - Fertilizer
I have 4 liters of 10% fertilizer. How much water must I add to have a 2% solution? - Carpenter chair
Eight carpenters will make 30 chairs in 2 days. In how many days will ten carpenters make 72 chairs? - Sugar solution percentage
Mix 0.8 kg of sugar into 2.4 kg of water. What percentage of sugar solution do we get? - Pool nozzle filling
Eighteen nozzles fill the pool in 12 and a half hours. How long does it take for the pool to fill 15 nozzles? - Deposit interest rate
After one year, a deposit of €500 grew to €512. At what annual interest rate? - Tank filling calculation
Five 1800 hl filling pumps in 3 hours for how long does a 4 hl filling 1800 hl tank? - Vinegar mixing
When we mix 70 g water with 50 g 8% vinegar, how many percent of the vinegar solution do we produce? - On the map
A line 1.5 cm long corresponds to a line 3 cm long on the map. What is the scale of the map? - Powerful pumps
Three equally powerful pumps drain water from a flooded pit in 7 hours. In how many hours would drain water from a pit of 5 equally powerful pumps - Map scale
What is the map's scale if 5.4 km is 72 mm on the map? - Active substance
There are 5 ml of active substance in a 600 ml spray. How much is it per mille?
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