How many strings of 5 upper case letters of the English alphabet start or end with A? Letters could be repeted.

Q: In the set of all strings of eight uppercase letters (possibly repeated) from the English alphabet,…

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Q: How many strings of length 5 can be formed if the alphabet (set of available characters)is {a,b,c}…

A: When there are nth places and m elements. With repetition, the choice of 1st place will be m, the…

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

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Q: How many permutations of the 26 letters in the English alphabet contain the string abc and end on…

A: We have to find the number of permutations.

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 permutations of the letters OPQRSTU contain the strings QPO and PRS?

A: Solution

Q: How many strings of 1our decimal digits have all four digits that are different? How many strings of…

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Q: assume that there 8 fire stations that need new chiefs and 12 qualified candidates In how many…

A: Given that, There are 8 fire stations Number of qualified candidates = 12

Q: How many 10-bit strings begin with "101" or "00"?

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Q: 5. How many strings of 3 characters are there, such that every character is a lower case letter, the…

A: If there are a ways of doing something and b ways of doing another thing, then there are a · b ways…

Q: assume that there 8 fire stations that need new chiefs and 12 qualified candidates. In how many…

A: We have to find  number of ways..

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: How many strings of four decimal digits a) do not contain the same digit twice? b) end with an even…

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Q: How many permutations of the letters of the word SECURITY end in a consonant? (Here, Y is a…

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

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

Q: 1) How many different strings of 5 lower case letters are there? Assume that letters may repeat. 2)…

A: Here, to calculate number of different strings of 5 lower case letters can be created if that…

Q: How many different 16- bit strings contain exactly 4 1s?

A: According to the given information the total number of bits in a string is 16.It is needed to…

Q: How many permutations of the letters " PAPUNTAPALANGTAYOSAEXCITINGPART" can be made?

A: From the above data We are given that the word.  PAPUNTAPALANGTAYOSAEXCITINGPART In the above word…

Q: How many 15-bit strings contain exactly seven 1's?

A: Out of 15 strings one must pick 7 of them to contain 1’s and other 8 will contain 0’s.

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

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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: How many different signals can be made using AT LEAST 4 distinct flags if there are 7 different…

A: Solution:  Different signals can be made using; AT LEAST 4 distinct flags if there are 7 different…

Q: Assume that you are assigning one of 12 available lockers to each of the 8 players on the team. In…

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Q: How many strings of seven lower case letters of the English alphabet contain exactly four letters w…

A: We have to use permutations and combinations here.

Q: How many different bit strings of length eight are there?

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Q: How many strings of ten lowercase letters from the English alphabet contain the lette consecutive…

A: String contains total 10 lowercase letters

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: A code consists of selecting 3 not-necesarily-distinct digits, followed by a 3-letter "word" chosen…

A: Total ways of selecting 1 Digit: {0,1,2,3,4,5,6,7,8,9} = 10 Letters = {A,B,C,X,Y,Z} = 6

Q: How many bit strings are there of length six or seven

A: The number of bit strings of length six is given by 26 The number of bit strings of length seven is…

Q: How many permutations of the letters ABCDEFGH contain the string CFA?

A: We need to find the number of permutations of the letters ABCDEFGH that contain the string CFA. We…

Q: How many diffrent strings can be formed by rearanging the letters in the word  ABABA?

A: Given information:The given word is "ABABA".

Q: How many strings of 7 decimal digits are there, such that at least one of the digit is odd?

A: There are total 10 decimal digits, among which 5 are odd. Since repetition of digits is allowed,…

Q: How many three-letter "words" can be made from 6 letters "FGHIJK" if repetition of letters (a) is…

A: Given 6 letters is "FGHIJK"

Q: How many 12-bit strings start with 101 or end with 10 or both?

A: Here the 12-vit string is the string of length 12. And to find the number of specific types of…

Q: There are 29 students in precalculus; in how many ways can students fill the Top five?

A: Permutation: A permutation is an arrangement of objects in a definite order.   Let n is the total…

Q: How many ways of strings of length 10 can we build from an alphabet of 30 characters?

A: We need to find, in how many ways, a strings of length 10 can be build from an 30 alphabet…

Q: explain How many permutation of the letters ABCDEFGHIJKLMNO contain the string GO and JIM?

A: If there were no restrictions then there are 15 letters in total. So they can arrange among…

Q: How many codes are there?

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Q: Find the number of distinguishable permutations of the letters in ASSOCIATIVE.

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Q: 5 can be formed if the alphabet (set of avail

A: To find: Number of strings of length 5 that can be formed with {a,b,c} with last character not as b.

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

A: How many 9-bit strings start with 101 or end with 10 or both. There are 9-bits, and we start with…

Q: Don't copy from google or other sites  How many bit strings of length 11 contain either five…

A: Given, the strings of length 11 contain either five consecutive 0s or five consecutive 1s.

Q: How many strings are there of length 6 over the alphabet {a, b, c, A, B} in which exactly two of the…

A: we have the alphabet a,b,c,A,B Now, we are interested in string of length 6. Since two of the…

Q: How many permutations of all the letters in the English alphabet contain the string abc and the…

A: There are 26 letters in the English alphabet

Q: (a) How many bit strings of length 8 are there? (b) How many bit strings of length 8 or less are…

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Q: A computer access password consists of from three to ten letters chosen from the 28 in the Arabic…

A: The part b of the can we solved by using the permutation.

Q: How many three-letter words (with or without meaning, without repetition of letters) are formed with…

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Q: How many strings of 1our decimal digits have all four digits that are different?

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: A computer system allows user IDs that are six characters long. If only alphanumeric characters are…

A: According to the provided data, the user IDs are six, r characters long. The alphanumeric characters…

Q: Consider strings of lowercase letters. How many strings are there of lowercase letters of length…

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