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

Q: How many different bit strings of length 12... a. .contain at most eight 0's? b. ..contain exactly…

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Q: How many different computer passwords are possible if each consists of 7 symbols and if the first 3…

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Q: (i) How many bit strings of length 8 start with 0 and end with 0? (ii) How many bit strings of…

A: NOTE: According to guideline answer of first three subpart can be given, for other please ask in a…

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 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 5 letter "words" can be formed if exactly 2 of the letters are vowels?  Condition: order is…

A: Let there are three persons A, B and C sitting beside each other. The different ways in which this…

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 may bit strings with length 10 that has exactly three 1s and end with 0?

A: Combination: The number of ways to choose or select the items from the whole. The formula for…

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 eight-letter "words" (sequences of letters with repetition) are there in which vowels…

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Q: 5 identical copies of a movie will be stored on 20 computers such that each computer has at most 1…

A: Given: 5 identical copies of a movie will be stored on 20 computers

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

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Q: How many different binary strings of length 8 are there? How many different binary strings of length…

A: Disclaimer: Since you have asked multiple questions we will solve the first question for you. If you…

Q: How many four letter words beginning and ending with a vowel without any letter repeated can be…

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Q: How many lists of length 5 can be made from the letters A, B, C, D, E, F that starts and ends in a…

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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 8-bits strings have exactly three 1's?

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

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: 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 10-bit strings are there if the string must have exactly one 1 in the first half and…

A: The string must contain exactly one 1 in the first half and exactly one 1 in the second half. So…

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

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Q: How many strings of eight uppercase English letters are there that start with X, if no letters are…

A: We have 26 possible letters in English alphabet: Now we have to form a string of eight uppercase…

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: How many bit strings of length n, where n is a positive integer, start and end with 1s?

A: Given: String length is n,where n is positive integer. Any place to fill in the string there are…

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: In how many ways can the first 5 consonants be paired with the vowels of the English alphabet?

A: There are 5 vowels in English alphabets. So 1 consonant can be paired with 5 vowels in 5 ways.…

Q: How many strings of three decimal digits

A: Strings of three decimal digits:

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: A corporate password consists of four digits, followed by three lower-case letters of the alphabet.…

A: The password is 4 digits long followed by three lower-case letters.

Q: How many strings of 12 ternary digits (0, 1, or 2) are there that contain exactly hree Os, five 1s,…

A: Strings of 12 ternary digits, 3 possibilities for each digit in the string, gives a total of 3^12 =…

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: A five character computer password can be formed from three digits, followed by two lower case…

A: There are totally 26 lower case letters of the alphabets(a-z) and 10 digits (0-9). A five character…

Q: For some particular website, the password must start with one of the letters W, X, Y, or Z. Then…

A: As the English alphabet has 26 letters from A to Z, and there are 10 digits from 0 through 9, total…

Q: A particular brand of shirt comes in 12 colors, has a male version and a female version, and comes…

A: Here , particular brand of shirt comes in 12 colors. It has female version and male version. And it…

Q: 10 identical copies of a movie will be stored on 40 computers such that each computer has at most 1…

A: Given the statement. 10 identical copies of a movie will be stored on 40 computers such that each…

Q: How many different words can be formed with the letters of the word ‘SUPER’ such that the vowels…

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Q: How many strings of eight uppercase English letters are there that start and end with X, if letters…

A: In English Alphabet we have 26 letters. We have to make a string of 8 uppercase English Letters.…

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: bookshelf has space for exactly 12 books. In how many ways can the books be arranged on the…

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Q: A string that contains only Os, 1s, and 2s is called a ternary string. How many ternary strings of…

A: Multiplication Principle:Suppose that we perform r experiments such that the kth experiment has nk…

Q: How many bit strings of length 10 contain either five con- secutive Os or five consecutive 1s? How…

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Q: How many passwords can be made if each password a sequence of 4 uppercase followed by a consonant…

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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: How many ways are there to select 5 cookies from a jar containing 3 types when repetition is…

A: Theorem-  there are C(n+r-1 , r) ways of choosing r-combination from a set of n elements when…

Q: There are 9 periods in each working day of a school. In how many ways can one organize 5 subjects…

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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 length-4 lists can be made from the symbols A, B, C, D, E that contains at least one letter…

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