Arithmetic - math word problems - page 143 of 145

Number of problems found: 2885

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.
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?
Twos
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?
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?
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?
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.
Fog
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
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?
Interest
Calculate how much you earn for 10 years 43000 deposit if the interest rate is 1.3% and the interest period is a quarter.
Arithmetic 40671
The number 20 is the arithmetic mean of the eight numbers. Determine their sum.
MG=7x-15,
Length of lines MG = 7x-15 and FG = 33 Point M is the midpoint of FG. Find the unknown x.
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?
Star equation
Write digits instead of stars so that the sum of the written digits is odd and is true equality: 42 · ∗8 = 2 ∗∗∗
Yesterday 13711
If the day before yesterday was what day of the week it will be from today in 50 days. (0 = Monday, 6 = Sunday)
Five numbers in ratio
Five integers are in the ratio 1: 2: 3: 4: 5. Their arithmetic mean is 12. Determine the smallest of these numbers.
AM of three numbers
The number 2010 can be written as the sum of 3 consecutive natural numbers. Determine the arithmetic mean of these numbers.
Consecutive 29761
Determine three consecutive natural numbers, the sum of which is 66.

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