Division + divisibility - practice problems - page 3 of 8
Number of problems found: 153
- The largest divisor
The largest number which divides 60 and 75 leaving remainders 8 and 10 respectively is: - What are 3
What are the two digits that, when inserted in the blank spaces, will make 234 _ _ divisible by 8? - Four multiples
Four multiples of 6, he writes the following 12 24 56 72, which is correct? - Notebook student
At the beginning of the year, they received 600 notebooks. There were twice as many unlinked as lined ones. How many students are in the class when each has 16 unlined notebooks? - Common divisor
All common divisors of headings 90 and 48 - Together
The three friends divided the balls in a ratio of 6:5:4. Some two got 126 balls. How many balls were there together? - Find unknown number
What is the number between 50 and 55 that is divisible by 2,3,6,9? - Calculate
Calculate the sum of all three-digit natural numbers divisible by five. - Coloured numbers
Mussel wrote four different natural numbers with colored markers: red, blue, green, and yellow. When the red number is divided by blue, it gets the green number is an incomplete proportion, and yellow represents the remainder after this division. When it - Number prime decomposition Decompose the number of primes and find its digit sum: 180, 232, 460, 240, 365,
- Prime divisors Find 2/3 of the sum's ratio and the product of all prime divisors of the number 120.
- Pegs
From two sticks 240 cm and 210 cm long, it is necessary to cut the longest possible pegs for flowers so that no residues remain. How many pegs will it be? - Divisible by nine
How many three-digit natural numbers in total are divisible without a remainder by the number 9? - Beet harvest
Beet harvesting is underway in the field. The beets are transported to 3 different processing plants by 3 trucks. One truck manages to return to the field 3 times per hour, the second every 30 minutes, and the third has the shortest route, so it turns aro - Five-digit divisibility Find the smallest five-digit number A432B that is divisible by 15.
- Drawing from a hat
When drawing numbers from a hat from 1 to 35, we select randomly given numbers. What is the probability that the drawn numbers will be divisible by 8 and 2? - Square tile space
What is the smallest square space we can tile with tiles measuring 25 x 15 cm, knowing there will be no need to cut them? How many tiles will we use? - Divisors of 560
Which of the numbers 5, 6, 7, 14, and 15 are divisors of 560? Please justify the answer. - On Turtle Island
The weather on Turtle Island is unusual. It always rains on Mondays and Wednesdays, it is foggy on Saturdays, and the sun shines on all other days. A group of tourists want to come to the island for a 44-day holiday. What day should the holiday start so t - Principle - 3CC
According to a certain principle, three-digit natural numbers are divided into two groups: The 1st group includes, for example, the numbers: 158, 237, 689, 982, 731, 422, … The 2nd group includes, for example, the numbers: 244, 385, 596, 897, … Discover t
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