123 Answered Questions for the topic Permutations

Permutations

07/09/17

Generating permutations with some control of output

I want to generate permutation of large number and also control the outputs. Forexample, permutation 10 numbers (1,2,3,4,5,6,7,8,9,0). Since the output will be large, I want to be able to put... more
Permutations

06/15/17

In how many ways can three people be accommodated in five rooms if they don't mind sharing?

The answer is 125 if that helps
Permutations

06/15/17

In how many ways can the letters of the word JACARANDA be arranged in a circle if, The A's and the consonants are grouped together?

The answer is 120 if that helps
Permutations

06/15/17

How many ways can the letters of the word JACARANDA be arranged in a circle if the A's must be together

The answer is 30 if that helps

Probability (permutations)

A family consists of a mother, a father, 2 girls and 2 boys. How many different ways can they be arranged in a line if the boys are together and the girls are not?   I have no idea how to... more
Permutations Math Probability Math Help

04/18/17

Permutations and Combinations (Pt 2)

Hi! Just as a follow up question that I don't understand (and if someone could explain how this works)1) There are 2 red and 4 green identical marbles arranged in a line. How many different... more
Permutations

04/12/17

there are 180 people at a meeting . They each gave a Valentine's Day card to everyone else. How many cards were given?

find the number of possibilities in each scenario
Permutations

03/02/17

in how many ways can five examinations be scheduled in a week so that no two examinations are scheduled on same day considering sunday as a holiday

Permutations     in how many ways can five examinations be scheduled in a week so that no two examinations are scheduled on same day considering sunday as a holiday
Permutations Combinations

02/24/17

How many arrangement can be made from letters v,w,x,y,z taking all letters at a time if v must be second and z can never be last

How many arrangement can be made from letters v,w,x,y,z taking all letters at a time if v must be second and z never be last
Permutations

02/19/17

How many arrangement can be made from letters v,w,x,y,z taking all letters at a time if v must be s

With solutions  

How many possible different lists out of given subjects

It's a college task. I Know how to find permutation of numbers, letters etc., but this is completely different. Here's the task :   A Student is studying in a university. All study modules... more
Permutations Math Math Help

01/10/17

Permutation Problem

Three boys and three girls are standing in a single file line. Find the probability that the boys and girls will alternate.
Permutations

11/15/16

passwords on a certain website can have four to eight characters.

Any password can have at most one digit on this website. repetitions are allowed. how many four-character passwords are possible
Permutations

11/11/16

Math permutations & Combinations

Evaluate the expression. C(10, 8) · C(9, 7)C(11, 7)
Permutations

11/11/16

Simplify permutations

Evaluate each expression.P(15, 0)Part 1 of 1Use the formula for permutations and simplify.P(n, k) = n!(n − k)!P(15, 0) = 15!− 0! = 15!! =
Permutations

11/07/16

Principle of Counting

Slips of paper marked with the numbers 1, 2, 3, and 4 are placed in a box. A slip is drawn and set aside, its number is recorded, and then a second slip is drawn. Write a sample space with equally... more
Permutations

11/07/16

Permutation/Principle of counting

Secretary/manager assignments--From a pool of 7 secretaries, 3 are selected to be assigned to 3 managers, 1 secretary to each manager. In how many ways can this be done?
Permutations

11/07/16

Telephone Number Permutations

Using the fundamental principle of counting or permutations how many 7 digit telephone numbers are possible if the first digit cannot be 0 and A. only odd digits may be used. B. the telephone... more
Permutations Math

09/05/16

You are dealt 4 cards. How many ways can you be dealt 2 jacks and 2 tens?

You are dealt 4 cards. How many ways can you be dealt 2 jacks and 2 tens?
Permutations Math Cards

09/05/16

You are dealt 6 cards. How many ways can you be dealt 1 heart and 5 clubs?

You are dealt 6 cards. How many ways can you be dealt 1 heart and 5 clubs?
Permutations

08/08/16

Find the difference

AnB =0 , and difference between proper subsets of A and proper subsets of B =496 Find the subsets of A
Permutations

06/21/16

confused as to what formula i should use

A committee of six people is formed to investigate connections between business and the education system. It consists of people chosen from 5 students, 8 teachers, 5 Principles, 10 parents, 4... more
Permutations Combinations

06/12/16

combination and permutation questions

nC5=252

Combination Problem

A word of 16 letters is selected: ALMOSTIMPOSSIBLE   a) How many different words are possible if the first and last letters are the same? b) How many different words are possible if A,L and M... more

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