141 Answered Questions for the topic Permutations

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

05/30/16

permutation and combination. Please read the description

The burger shop offers cheese, lettuce, tomato, and pickles. Assuming that you are not concerned about where the toppings are, how many different ways can you order?

05/30/16

security codes are made of 3 letters followed by four single digit numbers

security codes are made of 3 letters followed by four single digit numbers. How many different 7 character security codes can be made if none of the letters can repeat and the first digit must be odd? more
Permutations

05/27/16

Permutation

There are 4 letters A B C and D. Each letter have 3 variety of color Red, Yellow and Green. So basically the letters goes as red A, yellow A, green A, red B, yellow B, green B red C, yellow C,... more

05/14/16

5 Roles; 10 People Audition; How Many Combinations?

The drama teacher at your high school is holding auditions for a small play with only 5 roles. If ten people try out, how many different ways can the roles be assigned?
Permutations Combinations

04/28/16

Permutation of a word

The word "abstemious" contains 5 vowels a, e, i, o, u in alphabetical order. how many permutations of this word have the vowels in alphabetical order?
Permutations

04/19/16

Permutation question below

A club has 30 members under the age of 30 and 40 members who are 30 or older. In how many ways can a slate of 6 officers be chosen if the President and atleast one other officer must be at least 30... more
Permutations Math Probability

12/01/15

I'm studying for a math test I have in an hour and I don't understand this problem

in Italy, most car and motorcycle license plates consist of 2 letters, followed by 3 digits, followed by 2 letters [DZ 694 TP] <- (looks like that). Determine the number of license plates... more

12/01/15

I have a math test on the counting principle and permutations but I don't understand this question.

ATM codes: to use an automated teller machine, you generally must enter a four digit code, using the digits 0-9 how many four digit codes are possible if repetition of digits is permitted? The... more
Permutations Word Problem

09/19/15

How many ways can 3 math books, 5 chemistry books, and 7 physics books be arranged on a shelf, if the books of each subject must be kept together

I need help on this question Please. How many ways can 3 math books, 5 chemistry books, and 7 physics books be arranged on a shelf, if the books of each subject must be kept together

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