Natural numbers + permutations - practice problems - page 2 of 5
Number of problems found: 89
- Travelogues 45401
Martina borrowed three novels and two travelogues from the library. He will read the travelogues first. How many ways can he read the books? - Dd 2-digit numbers
Find all odd 2-digit natural numbers compiled from digits 1; 3; 4; 6; and 8 if the digits are not repeated. - Four-digit 16463
How many can we create four-digit numbers that digits can repeat from digits 0,1,2,3,…, 9? - Tic-tac-toe
In how many ways could 9 participants of the school round of five-in-a-row win the first three places?
- Divisible 67434
The number of Beata's house is 2018. The numbers of Jura's and Dan's houses are made up of the same numbers. A) What number of Jura's house can be if it is divisible by 4? List all the options. B) What can Dan's house number be if it is divisible by 5? Li - Number 4
Kamila wrote all-natural numbers from 1 to 400 inclusive. How many times did she write the number 4? - Five-digit 66894
Create all five-digit numbers in ascending order from three, four, and two zeros. - Three digit from four digits
How many three-digit numbers can you make using the digits 4,6,7, and 9? - Five-digit 37121
How many different five-digit numbers can we create from digits 4 and 5?
- Four-digit 82023
How many four-digit numbers are there in which there are at least three eights - Page numbering
The book has 88 pages. How many times is the number 4 used for the book numbering? - Numbers 72404
How many numbers are less than 200, the digit sum of which is 6? - Five-digit 13361
Write the 12 largest five-digit numbers in the twelve-position system and the 12 smallest six-digit numbers. - Modifications 7479
The Numerometer has invented as the number machine that changes numbers until it makes them single-digit numbers. He still makes the change according to the same rule. For example: from the number 87312, after six modifications, he gradually made the numb
- Digits
Write the smallest and largest 2-digit natural number. - Competition 7328
Adam was practicing for a darts competition in class. Every day at home, he threw darts at a target in which the individual fields were worth 1,3 and 5 points. He threw 9 darts every day and always scored 27 points. He is in good form and never missed a t - Three dices
What is the probability that the sum of points 14 will be a roll of three dice (B, M, Z)? - Possibilities 5822
Peter forgot the four-digit code to his school locker lock. Fortunately, his mother remembered some information about him. He knows that the first binary number is divisible by 15 and the second by 7. However, Peter is a big loser, so he has to try all th - Hockey Championships
At the 2021 World Hockey Championships, there are eight teams in Group A, each playing seven matches. There are 4 points for each team to gain points (3-2-1-0), but it is always paired with the opponent's points ( 0-1-2-3). How many points are there possi
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