Natural numbers + permutations - practice problems - page 4 of 5
Number of problems found: 89
- Seedbeds
The father wants to plant two seedbeds of carrot and two seedbeds of onion. Use a tree chart to find how many different options for placing the seedbeds he has. - According 63394
Three boys and four girls. How many ways can they be placed side by side according to gender? - Numbers
How many different 3 digit natural numbers in which no digit is repeated can be composed of digits 0,1,2? - 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?
- Coffe cups
We have 4 cups with four different patterns. How many possible combinations can we create from 4 cups? - Four-member team
There are 14 girls and 11 boys in the class. How many ways can a four-member team be chosen so that there are exactly two boys in it? - Indistinguishable 74294
We have eight compartments where we put three indistinguishable balls and two distinguishable ones. How many options do we have? - Balls in row
Calculate the number of ways of placing four black balls, four turquoise balls, and five gold balls in a row. - Notation 7014
There is no 0 in the decimal notation in natural numbers, and there are even numbers or odd numbers, each at least once. Find the number of all k-digit natural numbers.
- Different 38123
How many ways can we put seven different books on the shelf? - Shelf
How many ways are there to arrange 6 books on a shelf? - Assemble 6449
How many natural numbers less than 400 can I assemble if the numbers do not repeat? - Different 35501
Dana received four new books. How many different orders can she read them? - Binary words
How many 10-bit words can be created with precisely four units (e.g., 1111000000)?
- Positive integer integral
How many different sets of a positive integer in the form (x, y, z) satisfy the equation xyz=1400? - Permutations 82516
From how many elements can we make 5040 permutations without repetition? - How many 13
How many ways can X³ y⁴ z³ be written without an exponent? - Competition 33041
The long-term volleyball tournament is played on a one-on-one basis. So far, 11 teams have entered the competition. How many matches will be lost when two teams unsubscribe? - Non equivalent ints
Two n-digit integers are said to be equivalent if one is a permutation of the other. Find the number of 5-digit integers such no two are equivalent. If the digit 5,7,9 can appear at most one, how many non-equivalent five-digit integers are there?
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