Addition + divisibility - practice problems
Number of problems found: 25
- Calculate
Calculate the sum of all three-digit natural numbers divisible by five. - Sum of odd numbers
Find the sum of all odd integers from 13 to 781. - Multiples
What is the sum of the multiples of number 7 that are greater than 30 but less than 56? - Calculate 67294
Calculate the sum of all divisors of the number 70. - Calculate 31861
Calculate the digit sum of 1 345 901 - Two pieces 2
Two pieces of length 12/5 m and 23/9 m are cut from a rope of length 13 m. Find the length of the remaining rope. - Sum of AP members
Find the sum of all the numbers between 8 and 258 that are divisible by 5. - Composed 42551
Write a number 28793 smaller than the largest 5-digit number composed of various odd numbers. - Determine 82975
Determine the sum of all positive odd numbers less than 78 - Arithmetic progressions.
Find the sum of all the numbers between 9 and 204, which is exactly divisible by 3. - Remainders 81569
If we divide numbers by a divisor of 15, we get several different remainders. Write the sum of all possible even remainders that we get this way. - Decompose 37101
Decompose the number of primes and find its digit sum: 180, 232, 460, 240, 365, - Divisible 7255
Delete two digits from the number 547 191 807 to get the smallest number divisible by 5. Write the sum of the deleted numbers - Integers 6915
Which even integers are greater than -1 1/4 and less than 7 1/4? The mark is on the number axis. - What is 16
What is the sum of three consecutive even integers such that six more than twice the second is 2/3 of the first increased by 3/2 of the third? - Divisibility
Determine the smallest integer which divided 11 gives remainder 4. When divided, 15 gives remainder 10 and when divided by 19 gives remainder 16. - 5 digits
You have the following digits: 9, 8, 0, 1, 5. Write the smallest, even five-digit number if one digit is repeated three times and the other digits are not repeated. The digit sum of the number is: a) 9 b) 6 c) 8 d) 23 - Mathematical 7034
Jaroslav and his grandfather often played mathematical games. His grandfather gave him the following puzzle: The sum of four consecutive even numbers is 116. What are they? - What is 20
What is the least number that should be added to 2497 so that the sum of the digits is divisible by 5, 6, and 10? - Simultaneously 7748
The monitor screen is blank. Four new wheels appear on the screen every seven seconds when the beep sounds. On the contrary, three wheels disappear from the screen every eleven seconds. If both actions should take place simultaneously, the number of circl
Do you have homework that you need help solving? Ask a question, and we will try to solve it.