How many strings are there of four lowercase letters that have the letter xy together in them without repititio

Q: How many strings of length two can be formed by using the letters A, B, C, D E and F without…

A: Given letters, A, B, C, D, E, F We have to find number of strings of length two

Q: How many distinct 5-letter strings can be created using the letters A, B, C, D, E if repetition is…

A:

Q: How many 8-bit strings of weight 5 start with 101 or end with 10 or both?

A: If the 8-bits strings has a weight of 5, then From the 8 places to have digits, there are 5 places…

Q: How many strings of Length tree can be formed by using the letter A,B,C,D and E without repetitions

A: Detailed explanation mentioned below

Q: How many strings of letters from the set (A, B} have length 11 and have exactly 4 A's (repeated…

A: The Answer is given in step-2.

Q: Pind the number of strings of five lowercase letters from the Engtish alphabet, that contain esser a

A: Given that,    Five lowercase letter strings has to be formed.  According to the given question, it…

Q: A code have 4 digits in a specific order. The digits are between 0-9. How many different…

A: Code = 4 digits No. of available digit = 10 Repetition = not allowed Order is important, so we will…

Q: Use any method, list all the three digit numbers from the set {3,4,5,6} where there are no repeating…

A:

Q: How many unordered sets are there of six items chosen from eight? ?sets

A: The different groups that can be formed by choosing r  things from a given set of n different thing…

Q: How many 8-bits strings have exactly three 1's?

A: Given that  8 bits strings have exactly three 1 s is

Q: How many bit strings contain exactly eight 0s and 10 1s if every 0 must be immediately followed by a…

A: Here we will use the concept of combination and the formula for combination is given by C(n,r) =…

Q: How many 10-bit strings are there if the string must start with 001 or 10?

A: By using the given information the solution is given as follows

Q: find the number of permutation and combination of 4 letters taken from the word ARYABHATTA

A:

Q: How many different strings can be made from the letters in ATTRACTION, using all the letters, if all…

A: The given word is ATTRACTION

Q: There are 120 permutations of the elements of the set {1, 2, 3, 4, 5}. One of such  permutations is…

A:

Q: How many DNA sequences are possible by rearranging the string ‘ACGTTGTGCA’ ?

A: In the sequence 'ACGTTGTGCA' there are  A=2 C=2 G=3 T=3 Total=2+2+3+3=10 letters.

Q: How many subsets are there of the set N = {5, 42}?

A: We ahave to find no. Of subsets.

Q: How many 4-letter strings of upper- and/or lowercase letters are there that contain at least two…

A: To determine the number of 4-letter strings of upper and /or  lowercase letters are there that…

Q: How many different strings of size 2 can be made using all the letters in the word GOOGOL?

A: Given word = GOOGOL. Number of different letters present in the given word = G,O,L  According to the…

Q: Determine the number of strings of length 10 from the alphabet {A, B, C} that contain exactly 3 A's…

A:

Q: How many permutation of the letter ABCDEFGH contain the string ABC?

A:

Q: How many ways are there to select a three character password in such a way that the first two…

A: How many ways are there to select a three character password in such a way thatthe first two…

Q: How many computer passwords can be formed by rearranging the letters in the word ‘INDEPENDENCE’ ?

A:

Q: Find the number of different ways to rearrange letters in the word PERMUTATION such that all the…

A: Here PERMUTATION word contains total 11 letter Of which A,E,I,O,U are vowels(5 vowels in given word)…

Q: A product code consists of a string of 4 different letters selected from the set {S,T,U,V,W,X}. How…

A: The number of ways to arrange r objects selected from n distinct objects is given by the permutation…

Q: How many 9-bit strings start with 101 or end with 10 or both?

A: We have to find all such 9-bit string , which starting from 101 or end with 10 or both.Number of…

Q: How many subsets are there of the set N = {6, 49}?

A:

Q: How many ways are there to construct a string of 4 digits if numbers cannot be repeated? Asume each…

A: The objective of this question is to find out the number of ways to construct a string of 4 digits…

Q: How many unordered sets are there of two items chosen from four? ?sets

A: We have to find number of unordered sets of two items chosen from four items.