30 Answered Questions for the topic Permutation

#### What equation should I use to answer this problem? ( nPn = N! or nPr = n! / (n - r)! )

Hello! I am having trouble answering this word problem: Assuming that all 21 contestants are qualified for each of the special awards, in how many ways can the winners for the special awards be...
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02/25/22

#### Some Probability and Permutation questions...

1. Find the number of permutations of the elements in the set {1, 3, 5, 7, 9, 11}. a. 6 b. 21 c. 36 d. 7202. If there are 9! different...
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05/22/21

#### Can someone help me with figuring this problem out!

A Street has 13 houses in a row as shown in the figure. Some residents in the first house tested positive for COVID-19. The virus spreads in two ways: it can spread to the next house, or jump...
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03/27/21

#### math permutations pls help

How many different permutations can be made from the letters "REPEATED" if the three E's are consecutive?
Find the number of different 8-letter arrangements that can be made from the letters of...
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12/08/20

#### Permutation and Combination Question

A bookshelf displays different types of books, 6 books in English (E) and 5 books in Spanish (S). If 4 books are chosen among the English language books and 3 are selected from the Spanish language...
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#### Permutations and combinations

license plate includes 7 characters in the following order: one number, three letters, then three numbers. hi How many different license plates are possible in California?

02/05/20

#### Problem about probabilities! Need help asap...

I have a problem getting probabilities, and here is my problem, I have a game which is made of72 cards consist of:4 colors,18 cards per color with two sets of 1-9 number cards per color (just like...
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Permutation Probability

10/11/19

#### How do I solve this probability question?

Consider a four character password, where each character can be an upper or lower case letter ora digit. No character can be used more than once (no repeats).1) How many different passwords are...
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Permutation Combination

11/04/18

#### Can you solve this for me? Please

"the car plate number contains 3 distinct letters where the first letter is "Z" followed by 3 digits which are not necessarily distinct. How many car plate number can be produced? "

Permutation

08/01/17

#### Sir a question given . Of permutation and combination

5p3 answer given - 5*4*3 =60
My question is why 3 is also taken here .
I think the answer should be 20 because
5*4*3/3*2*1

Permutation

04/21/17

#### Permutation question

A mint prepares metallic calendars specifying month, dates and days in the form of monthly sheets (one plate for each month). how many types of calendars to serve for all Possibilities in futur years?
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02/25/17

#### Please help combinations and permutations

please I need help with this question. I need an explanation.1- In a cribbage game with 2 people, each player is dealt 6 cards to start a round. How many 6-card hands are possible?
would it be...
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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?

Permutation Probalibility

01/24/16

#### how many three digit numbers can be made with the digits 1,2,3,4,5,6 and 7 if a) repetitions are allowed b) no digits is to be repeated in a number?

how many three digit numbers can be made with the digits 1,2,3,4,5,6 and 7 if a) repetitions are allowed b) no digits is to be repeated in a number?

02/19/15

#### In how many ways can the selection be made so that at least one of each color is drawn?

Your urn contains 7 red balls, and 9 blue balls, and you draw 4 balls.

Permutation Permutations

01/05/15

#### how many permutations can be formed by the letters of the word 'VOWELS' when all vowels come together

how many permutations can be formed by the letters of the word 'VOWELS' when
1>the letters can be placed anywhere
2>each word begins with E
3>each word begins with O and ends with...
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Permutation Combinations

09/23/14

#### How many ways can this be done?

A Book Store wishes to display five books in the window of the shop. They want to choose 5 mystery books from a list of 12 new mystery books. How many ways can this be done? (order is not important)

Permutation Combination

04/10/14

#### how many complete seasons can the team play without repeating a line-up?

There are nine different positions on a baseball team. If a team has 12 players how many different line-ups can the team make?
answer: 79833600
PLEASE SOLVE THIS QUESTION
Baseball games...
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Permutation Combination

04/10/14

#### Solve the following question

How many ways are there to select 11 countries in the United Nations to serve on a council if 1 is selected from a block of 51, 1 are selected from a block of 68 and 9 are selected from the...
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Permutation Combination

04/08/14

#### Solve the following permutation/ combination question

1) There are nine different positions on a baseball team. If a team has 12 players how many different line-ups can the team make?
2)Baseball games consist of nine innings. A team wants to...
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