Arithmetic - math word problems - page 174 of 176
Number of problems found: 3514
- Three dices
What is the probability that the sum of points 14 will be a roll of three dice (B, M, Z)?
How many are three-digit natural numbers divisible by 25?
Write the smallest and largest 2-digit natural number.
Vojta started writing the number this year, 2019202020192020, into the workbook. And so he kept going. When he wrote 2020 digits, he no longer enjoyed it. How many twos did he write?
- Supply 3464
Hay stock is enough for four horses for 60 days. How long would this supply last for ten horses?
Mailbox is opening at regular intervals 3 times a day. The first time is opened at 8:00 and the last at 19:00. Calculate the hours when the mailbox is opened during the day.
- Temporary workers
Three temporary workers work in the warehouse and unload the goods in 9 hours. At what time would five temporary workers unload the same products?
- Four-digit 55481
Find all four-digit abcd numbers to which: abcd = 20. ab + 16. cd, where ab and cd are double digits numbers from digits a, b, c, and d.
- Three-digit 5312
Find the smallest four-digit number abcd such that the difference (ab) 2− (cd) 2 is a three-digit number written in three identical digits.
- Positive integers
Several positive integers are written on the paper. Michaella only remembered that each number was half the sum of all the other numbers. How many numbers could be written on paper?
- House numbering
The residential house has three entrances numbered even numbers, successive immediately behind. The sum of the two numbers on the outside entrances is 68. Calculate the middle of these three numbers.
- Seven workers
Seven workers clear the glade in 22 hours. How many workers would need to be done in 8 hours?
- Car model
The car model is 52 mm long, and the real car is 4524 mm long. What was the scale of the model car?
- MO Z6-6-1
Write integers greater than 1 to the blanks in the following figure so that each darker box is a product of the numbers in the neighboring lighter boxes. What number is in the middlebox?
Calculate how much you earn for 10 years 43000 deposit if the interest rate is 1.3% and the interest period is a quarter.
- Report card
Ivor hit 4× grade 5 at the beginning of the school year. How many times must you now catch grade 1 to get grade 2 on the report card?
The car started in fog at a speed of 30 km/h. After a 12-minute drive, the fog dissipated, and the driver drove the next 12 minutes distance, 17 km. The driving conditions deteriorated during the last 17 km long, and the driver drove at 51 km/h. a) Calcul
- Smallest z9
Find the smallest positive numbers a and b for which 7a³ = 11b⁵
- Kilometers 5008
If the city is far from the city and is 15 kilometers long, and the scale of the map is 1:300000, what is the distance on the map?
- Arithmetic 40671
The number 20 is the arithmetic mean of the eight numbers. Determine their sum.