108 Answered Questions for the topic Permutation And Combination

Permutation And Combination

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? 
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Permutation And Combination

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
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Permutation And Combination

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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Permutation And Combination

01/20/18

There are 100 person and I want to invite at least one then in how many different ways I can invite?
I m very confused from this question last 1 week. Plz help me . How can we solve such type of questions . Plz help . 
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Permutation And Combination

01/05/18

Question about permutation and combination
1 2 3 4 5 6 A B C D Ethan wants to form a password consisting of three digits and two letters by using the digits and letters. How many different passwords can be formed by Ethan if the password... more
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Permutation And Combination

12/10/17

Suppose there is a list of fivefive jokes about books. In how many ways can these fivefive jokes be ranked from best to​ worst?
The five jokes can be ranked from best to worst in ______ different ways.
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Permutation And Combination

11/04/17

permutation and combination
Three research departments have 8,6 and 10 members, respectively. Each department is to select a delegate and an alternate to represent the department at a conference. In how many ways can this be... more
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Permutation And Combination Math Permutations Combinations

09/16/17

how many arrangements are there of these digits 1,2,3,4,5 if the odd digits must be in ascending order
I know the answer is 20 but i can't figure it out
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Permutation And Combination

09/12/17

there are four walls and three different colour of paints what is the number of ways of painting all four walls such that no two adjacent walls has same colour
the walls are adjacent facing each other does this change the question?
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Permutation And Combination Math Word Problem Permutations

09/09/17

How many even numbers of at least four digits can be formed using the digits 0, 1, 2, 3, and 5 without repetition?
I know that the answer 84, but I just can't seem to get that number
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Permutation And Combination

08/28/17

numbers 0, 1,2,3,4,5 make an odd 4 -digit number without repetitions
Can someone please help?? I Got stuck and I have a test soon!!
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Permutation And Combination

07/31/17

Permutaion and Combination
A bag contains 20 balls. 8 balls are green, 7 are white and 5 are red. What is the minimum number of balls that must be picked up from the bag blindfolded (without replacing any of it) to be... more
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Permutation And Combination

06/14/17

Permutation and Combination
The debate club has 12 members. All the members' names go in the hat for selection of captain and captain's assistant. In how many ways can the two positions be filled?
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Permutation And Combination Probability Math Help Permutations

04/28/17

Probability (permutations)
A family consists of a mother, a father, 2 girls and 2 boys. How many different ways can they be arranged in a line if the boys are together and the girls are not?   I have no idea how to... more
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Permutation And Combination Math Probability Math Help

04/18/17

Permutations and Combinations (Pt 2)
Hi! Just as a follow up question that I don't understand (and if someone could explain how this works)1) There are 2 red and 4 green identical marbles arranged in a line. How many different... more
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Permutation And Combination Probability Word Problem Maths

04/05/17

Permutations and Combinations
Please help me answer the following questions! I'm stuck and keep getting the wrong answer!1. Find the number of six-letter arrangements that can be made from the letters in the word SYDNEY. 2.... more
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Permutation And Combination

03/24/17

A club elects a president, vice-president, and secretary-treasurer. How many sets of officers are possible if there are 15 members?
 Permutations and Combinations
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02/12/17

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
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Permutation And Combination

01/18/17

the no. of four digit even numbers that can be formed with 0,1,2,3,7,8
the no. of four digit even numbers that can be formed with 0,1,2,3,7,8
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Permutation And Combination

01/07/17

Permutations And Combinations
A Sixth form contains the Head Boy, the Head Girl and 8 other students. The form is asked to send a group of 4 representatives to a conference. Calculate the number of different ways in which the... more
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Permutation And Combination

12/10/16

How many six-digit license plates can be manufactured if no license plate number begins with 0
I'm not sure how to exclude just one number would it just be p(6,5). ?
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Permutation And Combination

12/08/16

find the number of numbers that can be 1,2,3,4,3,2,1,by placing the odd digits at odd places
Please solve thi que.. A. 18  B. 21  C.24  D. 30  Please send me solution..
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Permutation And Combination

11/10/16

Evaluate the expression. P(8, 3) · P(4, 2)
Evaluate the expression.P(8, 3) · P(4, 2)
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Permutation And Combination Statistics Possible Outcomes

11/01/16

How many ways can you add the numbers 1-5, USING ONLY 5 NUMBERS, to get a total of 15 or less. You may use numbers more than once
1,1,1,1,1 is a possibility since it is less than 15. list the possible outcomes 1,2,1,1,1 is a different outcome than 1,1,2,1,1. ORDER DOES MATTER
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Permutation And Combination Statistics Probability Mathematics

11/01/16

How many ways can you add the numbers 1-5, USING ONLY 5 NUMBERS, to get a total of 15 or less. You may use numbers more than once
1,1,1,1,1 is a possibility since it is less than 15. list the possible outcomes   1,2,1,1,1 is a different outcome than 1,1,2,1,1.    ORDER DOES MATTER
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