Arithmetic - math word problems - page 140 of 142
Number of problems found: 2823
- 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.
- 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.
- MO Z6-6-1
Write integers greater than 1 to the blanks in the following figure so that each darker box was a product of the numbers in the neighboring lighter boxes. What number is in the middlebox?
- Seven workers
Seven workers clear the glade in 22 hours. How many workers would need to be done in 8 hours?
- Car model
Car model is 52 mm long and the real car is 4524 mm long. What was the scale of model car?
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 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. On the last 17 km long again, the driving conditions deteriorated, and the driver drove at a speed of 51 k
- Arithmetic 40671
The number 20 is the arithmetic mean of the eight numbers. Determine their sum.
- Kilometers 5008
If the city is far from the city and it is 15 kilometers long, and the scale of the map is 1: 300000, what is the distance on the map?
Length of lines MG = 7x-15 and FG = 33 Point M is the midpoint of FG. Find the unknown x.
- 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.
- Solutions 8481
For which integers x is the ratio (x + 11) / (x + 7) an integer? Find all solutions.
- Z7-I-4 stars 4949
Write instead of stars digits, so the next write of the product of the two numbers is valid: ∗ ∗ ∗ · ∗ ∗ ∗ ∗ ∗ ∗ ∗ 4 9 4 9 ∗ ∗ ∗ ∗ ∗ ∗ 4 ∗ ∗