Natural numbers + reason - practice problems - page 25 of 28
Number of problems found: 544
- Repeated 79734
How many numbers a) less than 500, b) greater than 500 can be formed from the digit 0,1,5,8,9 so that no digit is repeated? - 4-digit 8231
How many 4-digit numeric pin codes can be created so that not all four digits are identical? - Natural 5474
How many natural numbers can we create less than 301 from the number 0,1,2,3,6,7? - Cups on the shelf
We should place two green, three red, and two yellow cups side by side on the shelf. a) How many different ways of setting up can arise? b) How many different ways of arranging can arise if cups of the same color stand side by side?
- Graduation party
There were 15 boys and 12 girls at the graduation party. Determine how many four couples can be selected. - Bridge cards
How many bridge hands are possible containing 4 spades, 6 diamonds, 1 club, and 2 hearts? - Year 2018
The product of the three positive numbers is 2018. What are the numbers? - Three-digit 38371
How many odd three-digit numbers can you make of the five cards with the numbers 1, 2, 3, 5, and 6? - Big numbers
How many natural numbers less than 10 to the sixth can be written in numbers: a) 9.8.7 b) 9.8.0
- Three-digit numbers
Use the number 4,5,8,9 to write all three-digit numbers without repetition. How many such numbers are there? - Three numbers
We have three different non-zero digits. We will create all three digits numbers from them to use all three figures in each. We add all the made numbers and get the sum of 1554. What were the numbers? - Different 57811
How many different 6-member teams can be made up of seven boys and four girls if there are two or four girls in the team? - Four-member 20013
Determine how many ways it is possible to form a four-member team from 6 men and four women, where there are exactly two men. - Divisible 5454
How many natural numbers are divisible by five less than 8000, composed of the digits 0,1,2,5,7,9?
- We randomly
We randomly select a three-digit number. What is the probability that the number 8 occurs at most once in its notation? - Boys and girls
There are 20 boys and ten girls in the class. How many different dance pairs can we make of them? - Digits
How many five-digit numbers can be written from numbers 0.3,4, 5, and 7 divided by 10, and digits are repeated? - Divisible 6615
How many 3-digit numbers can be composed of the digit 1,3,5,7,9 if the digits are not allowed to be repeated in the number notation? How many of them are divisible by five? - Three wagons
I have six different people (A, B, C, D, E, F), which I have to place into three wagons if it depends on who will board. How many options are there?
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