Divisibility - practice problems - page 6 of 22
Number of problems found: 436
- 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? - Divisibility feature test
Which of the top ten is not a divisible number of 2520? Use divisibility features to solve - Consecutive odd sum The sum of three consecutive odd numbers is 183. What is the largest of them?
- Consecutive odd numbers
The sum of two consecutive odd numbers is 184. What are these numbers? - The dice
Find the probability that a number divisible by two or three will fall when the dice are rolled. - Three-digit numbers How many are all three-digit numbers made up of digits 0,2,5,7 and are divisible by nine if the digits can be repeated?
- Three-digit number creation
How many different three-digit numbers divisible by five can we create from the digits 2, 4, and 5? The numerals can be repeated in the created number. - We roll
We roll two dice A. - what is the probability that the sum of the falling numbers is at most 4 B. - is at least 10 C. - is divisible by 5? - Number comparison Write a number 28793 smaller than the largest 5-digit number composed of various odd numbers.
- Number comparison Write the number 937289 larger than the smallest 6-digit odd number.
- Five-digit odd numbers How many five-digit odd numbers exist?
- Number divisibility What is the probability of any two-digit natural number a) is divisible by seven, b) is divisible by nine, c) is not divisible by five.
- Five-digit number Anna thinks of a five-digit number not divisible by three or four. If he increments each digit by one, it gets a five-digit number divisible by three. If he reduces each digit by one, he gets a five-digit number divisible by four. If it swaps any two digi
- Even/odd numbers What is the product of 0.97 and the following odd decimal number?
- Dice roll probability What is the probability of a random event A that a) an even number, b) a number divisible by three, c) a number greater than six will fall on the dice roll.
- Odd prime probability What is the probability that an odd prime will fall on a dice roll?
- Odd compound probability In the entertainment lottery, they draw one number from 1 to 35. What is the probability that they will draw an odd compound number?
- 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?
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