# Questions on Algebra: Combinatorics and Permutations answered by real tutors!

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 Algebra: Combinatorics and Permutations Solvers Lessons Answers archive Quiz In Depth

 Question 433627: How many ways are there to arrange the letters in the word permutation? Click here to see answer by sudhanshu_kmr(1152)

 Question 433646: 99 workers are finishing 634122 jobs in 7371 hours then how many hours required to finish 647437 jobs to 97 workers? Click here to see answer by rwm(914)
 Question 433646: 99 workers are finishing 634122 jobs in 7371 hours then how many hours required to finish 647437 jobs to 97 workers? Click here to see answer by robertb(4012)

 Question 433065: from a group of 5 men and 7 women, a committee of 2men and 3 women is to be formed. how many committees can be formed if 2 women are feuding and refuse to serve the community together? Click here to see answer by sudhanshu_kmr(1152)

 Question 433791: In Powerball, a player chooses 5 different numbers, the 5 white balls, from 1 through 49 and a single number, the red power ball, from 1 through 42. In how many ways can a player choose the numbers? Click here to see answer by haleyw(1)

 Question 434138: 12 people are on a basketball team and a coach needs to choose 5 to put into a game.How many possible ways can a coach choose a team of 5 if each person have a equal chance to be selected Click here to see answer by Alan3354(30983)

 Question 434318: Determine the number of 5-digit zip codes (assume the digits can be repeated, but the first digit cannot be zero). Click here to see answer by edjones(7569)

 Question 434554: a committee consisting of 6 members has to elect a president and a treasurer. in how many ways can they do this? Click here to see answer by stanbon(57246)

 Question 435066: how many three card hands can be dealt from a deck of 52 cards Click here to see answer by Alan3354(30983)

 Question 435059: how many even four digit number can you form from the digits 1,2,3,5 where no digit is used twice Click here to see answer by Alan3354(30983)

 Question 435586: How many ways are there for a horse race with three horses to finish if ties are possible?(Note: Two or three horses may tie) Thanks a lot . . . Click here to see answer by edjones(7569)

 Question 435577: How many ways are there for eight men and five women to stand in a line so that no two women stand next to each other? thanks a lot . . . Click here to see answer by robertb(4012)

 Question 435595: In how many ways can a committee of five people be selected from seven women and nine men if at least one woman must be in the committee? Click here to see answer by stanbon(57246)
 Question 435595: In how many ways can a committee of five people be selected from seven women and nine men if at least one woman must be in the committee? Click here to see answer by edjones(7569)

 Question 435624: How many possibilities are there to select a team of 3 members from 9 players? Click here to see answer by edjones(7569)

 Question 435603: n a town in Fiji, it is known that 20% of the families have no children, 30% have 1 child, 20% have 2 children, 16% have 3 children, 8% have 4 children, and 6% have 5 or more children. Find the probability that a family has more than 2 children if it is known that it has at least one child. Click here to see answer by robertb(4012)

 Question 435686: How many ways are there for a horse race with four horses to finish if ties are possible?(Note: Any number of the four horses may tie.) My answer is 75, But I still doubt it. Can anyone give me a reason? Click here to see answer by stanbon(57246)
 Question 435686: How many ways are there for a horse race with four horses to finish if ties are possible?(Note: Any number of the four horses may tie.) My answer is 75, But I still doubt it. Can anyone give me a reason? Click here to see answer by Edwin McCravy(8882)

 Question 435922: Five paychecks and envelopes are addressed to five different people. The paychecks are randomly inserted into the envelopes. What is the probability that at least one paycheck is inserted in the correct envelope? Click here to see answer by Edwin McCravy(8882)

 Question 436005: how many ways can 5 runners place 1st to 5th place in a race? Click here to see answer by jorel1380(2518)

 Question 436062: What is the coefficient of x3y2 in (3x – y)5 ? Click here to see answer by stanbon(57246)

 Question 436086: Find integers x and y satisfying 966x + 686y = 70 Click here to see answer by richard1234(5390)

 Question 436061: Find a solution in integers to the equation : 1320x + 714y = 30 Click here to see answer by Edwin McCravy(8882)

 Question 436219: How many combinations of a president, vice-president, secretary, and treasurer can be chosen from a group of 12 students? Click here to see answer by ewatrrr(10682)

 Question 436407: The question is How many arrangements of the letters in INSTRUCTOR have all of the following properites: a. The vowel appearing in alphabetical order, b. At least 2 consonants between each vowel. a.In a I understand that vowels are fixed in the alphabet as A,I,O,U abd there is only one way to put 3 vowels but I am lost after that. b. I understand that there are two sections that appear with atleast 2 consonants in the word, but after that I do not know how to solve it. Click here to see answer by stanbon(57246)

 Question 436484: how many five letter words can you make from the following letters c,a,r,e,d? Click here to see answer by Alan3354(30983)

 Question 436483: how many words can you make from the following letters a,r,c,d,and,e ? Click here to see answer by Alan3354(30983)
 Question 436483: how many words can you make from the following letters a,r,c,d,and,e ? Click here to see answer by richard1234(5390)

 Question 436941: find the number of ways of sitting seven men on a bench Click here to see answer by ewatrrr(10682)

 Question 436581: how many ways can 10 people be seated around a circular table? Click here to see answer by ewatrrr(10682)

 Question 436940: 1)in how many ways can six members of a board of directors of a company be seated round a circular table (diagram compulsory) Click here to see answer by ewatrrr(10682)

 Question 437170: How many ways can 8 people be seated at a round table? Click here to see answer by robertb(4012)

 Question 437152: My question is the following: In a lottery a player chooses 7 numbers from the numbers 1-42. (1)- How many ways can the 7 numbers be chosen? Thank You for Your Time! Click here to see answer by robertb(4012)

 Question 437353: In how many ways can a committee of three men and four women be formed from a group of 11 men and 11 women? Click here to see answer by ewatrrr(10682)

 Question 437656: How many different ways can 4 people be seated in a row of 4 seats? Click here to see answer by jim_thompson5910(28504)

 Question 437657: An airport identification code is made up of three letters, like the examples shown: ABQ, DFW, JFK, LAX, ORD. How many different airport identification codes are possible? (Assume any letter can be repeated and can appear in any position.) Click here to see answer by jim_thompson5910(28504)