Divisibility - practice problems - page 4 of 21
Number of problems found: 419
- Divisible 67304
Which number should replace the letter X so that the number 7618X is divisible by three and four?
- Calculate 67294
Calculate the sum of all divisors of the number 70.
- Three-digit 66854
How many three-digit numbers with a digit sum of 9, in which no digit can repeat?
- Expression 66754
Find the largest natural number n for which the expression value (37-2n) / 3 equals the natural number.
- Conditions 66544
I have a box that contains white, milk, and dark chocolate candies. The ratio of white to milk candies is 3:4. The ratio of white to dark candies is 4:3. The least amount of candies in the box if the conditions of the ratio of candies are met.
- Prepared 66494
Benches were prepared around the fire. When seven tourists sit on them, one tourist will sit alone on the last bench. When six of them all sat down, one had to stand. How many tourists were at the campfire if we know there were less than 100, and how many
- Find two digits
Find the possible values of A and B if the six-digit number 2A16B6 is divisible by 4 and 9. Please write the result as a composed number.
- Three-digit 65624
Pablo has five cards with numbers 0, 1, 6, 7, and 9. How many odd three-digit numbers can he form?
- Characteristics 65294
Kuba wrote down a four-digit number, two evens, and two odds. If he crossed out both even digits in that number, he would get a number four times smaller than if he crossed out both odd digits in the same number. What is the most significant number with t
- Probability 64764
Petra wrote natural numbers from 1 to 20 on 20 tickets. Milady had one ticket pulled out. What is the probability that Milada will pull out a ticket with a number divisible by three?
- Four-digit 63154
In entry 85 * 0, replace the asterisk with a number to give the smallest possible four-digit number divisible by 4.
- How many
How many double-digit numbers divided by nine give the rest of the seven?
- Even five-digit
How many can even five-digit natural numbers with different digits be created from the digits 0 - 6?
- Find whole
Find whole numbers between 155 and 232 that are divisible by 2, 5, and 10.
- 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
- 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?
- AND-NOT-AND
If P is the set of multiples of 2, Q is the set of multiples of 3, and R is the set of multiples of 7, the following integers will be in P and Q but not in R: A=−54 B=−50 C=42 D=100 E=252
- Check divisibility
Check under each column to identify whether each number is divisible by 2, 5, 10, 3, 6, or 9. 54180; 1 624 2700 5605 568
- Difference 56811
I think the number. The difference between nine times and four times the unknown number is 625. What number do I think?
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