104 Answered Questions for the topic Permutation And Combination

10/26/18

#### ii. How many three-letter codes are there using letters A, B, C, and D if no letter can be repeated?

08/02/18

#### 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?

07/23/18

#### N people shake hands in a meeting.If there are 36 handshakes overall find value of n

Combination ques

07/21/18

#### 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.

07/15/18

#### 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...
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07/06/18

#### 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.

06/17/18

#### 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...
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06/07/18

#### 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.

06/07/18

#### 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?

06/07/18

#### 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.

05/31/18

#### 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...
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05/26/18

#### 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...
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05/23/18

#### 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?

05/06/18

#### three research departments have 8, 7, 6 members respectively. Each department has to select a delegate and alternate how many way can this happen

i dont know what to do for this at all

04/03/18

#### 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

03/22/18

#### 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?

03/17/18

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

plz answer this question

03/14/18

#### 10 questions, 4 choices each. How many sets?

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

03/09/18

#### Baby Rachel wants to arrange 3 blocks in a row. How many different arrangements can she do

Permutations and combination

03/06/18

#### 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...
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02/26/18

#### 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?

02/23/18

#### How many five digit numbers can be formed with the digits 0,1,2,4,6 and 8, where repetition of digits is not allowed?

PERMUTATION

02/19/18

#### 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

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