104 Answered Questions for the topic Permutation And Combination

Please Help me to answer this question. Justify your answer please

A student council has five seniors, four juniors, three sophomores, and two freshmen as members. In how many ways can a four member council committee be formed that includes one member of each class?

In how many ways can 12 people divide into

Two equal groups? Three equal groups?

A quiz contains 10 true/false questions. How many different answer sheets are possible?

It uses multiplication rule but i do not understand why the answer is 1024.

Permutations or Combinations?

1. A Poker hand consists of 5 cards dealt at random from a deck of 52 cards. There are 2 598 960 possible hands (52C5). How many of those hands include exactly two Queens? Hint: You need two of the... more

Find the number of 2×2 matrices that can be formed by using 1,2,3,4 when repetition is allowed.

It's a peemutatper and combination problem.

Permutation Question

Teri has 7 books and she wants to put 3 books on her shelf. Out of the 7 books, there are 2 books that start with the letter A, 2 books that start with the letter M, and 3 books that start with the... more

A 5 digit number cannot repeat and is made using the digits 0 - 6. What is the probability the number is at least 30,000?

I believe this would be a permutation but I'm not sure how to do it.

Your iPad has a 4 digit passcode. How many different passcodes are possible, if the digits can repeat?

 I got 210 but my teacher said that was incorrect. What am I doing wrong?

Three girls and four boys are in a preschool class. Determine the number of ways the children can be arranged if a girl is always the line leader?

This question is in my permutation and combination hw but I'm not sure how to do it.

What are the chances of picking up a jack and a queen simultaneously from a pack of 52 cards?

What are the chances of picking up a jack and a queen simultaneously from a pack of 52 cards?   Which option is correct: 1) P= (4C1)*(4C1)/(52*51) 2) P= (4C1)*(4C1)/(52C2) 3) P= (4C1)/52C2... more

Determine the total number of ways...

Three students were selected from 23 senior students to be president, vice-president, and secretary of the student council. Three other students from 38 sophomore and junior students were also... more

Baskin Robbins has 31 flavored of ice cream, 7sauces, and 10 toppings. How many sundaes can be made by choosing 3 ice cream flavors, 3 sauces, and 3 toppings?

Baskin Robbins has 31 flavored of ice cream, 7sauces, and 10 toppings. How many sundaes can be made by choosing 3 ice cream flavors, 3 sauces, and 3 toppings?

Find how many 4 digits numbers can be formed from the 6 digits, 2,3,5,7,8, and 9, without repeating any digit.

Also find how many of these numbers are; a) Less than 7,000 b) Odd

How many ways can you draw 5 face cards from a deck of 52?

how many ways can you draw 5 face cards from a deck of 52?

If 4 dices are rolled in how many ways the largest of them is not 4?

plz answer this question

10 questions, 4 choices each. How many sets?

10 questions with 4 choices for each. how many differnet sets can be formed?

Permutation / Combination Question

I need to figure out the total #of possible Box combinations for the following scenario. Total # must factor in possibilities for all 6 boxes.   Box 1 is always empty Box 2 is either empty or... more

Jack has been asked to play 7 songs at a wedding. Four are slow songs and three are fast songs. Each song is to be played only once.

a.  In how many ways can he play the 7 songs if the songs can be played in any order? b. If the first two songs must be fast songs how many ways can he play the 7 songs? 

Assuming the animals are distinguishable, in how many ways can 4 zebras, 5 lions, and 2 hippos be arranged in a row if there are no restrictions?

also, how can it be arranged if animals of the same kind must be together and if the hippos are not together  
1 3 4 5

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