How many different passwords of 4 characters can be made using the numbers from 0 to 9 and the alphabets A, B, and, C?

Q: How many passwords with 5 letters without repetition can be made from letters a,b,c,d,e,f,g,h,I,j

A: Solve using permutations

Q: How many distinct ten-digit passwords are possible if you must use at least one 26 lower case letter…

A: Given: you must use at least one 26 lower case letter from {a, b, . . . , z}, at least one 26 upper…

Q: A password consists of 4 characters, the first 2 being letters in the (English) alphabet and the…

A: GivenA pssword consists of 4 charactersthe first2 being letters and last 2 being digits

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

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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 3 or 4 digit even numbers greater than 700 can be formed by: a. Using the digits 0-9.…

A: EVEN NUMBERS : Even numbers embrace people who conclude in zero,2,4,6, and 8. Even numbers, as an…

Q: A lock code requires 3 digits followed by 2 letter(s). How many different lock codes are possible?…

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Q: How many different passwords are there that contain only digits and lower-case letters and satisfy…

A: Given, no. of digtis = 10  (0 to 9) no. of letters = 26  (a to z) Total = 36 (iii) Password must…

Q: A number is called “quadary” if each digit is either 0, 1, 2, or 3. How many different 5-digit…

A: Given that a number quadary if each digit is either 0,1,2 or 3. To find the number of  different…

Q: A password for a computer consists of four digits. How many different passwords are possible?

A: Given that a password for a computer consists of four digits. We know that the possible digits are;…

Q: how many secret codes can be formed consisting of five letters or four digits but not both

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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 12 ternary digits (0, 1, or 2) are there that contain exactly three 0s, five 1s,…

A: Total number of digits are 12 Given there are three 0's , five 1's and four 2's

Q: How many ways can you get we get a 2 digit passcode if zeros are not allowed?

A: If zero is not allowed, The number of available digits is 9 (1,2,3,4,5,6,7,8,9)

Q: A computer password consists of six characters. a. How many different passwords are possible if each…

A: # we are entitled to solve one question at a time, please resubmit the other question if you wish to…

Q: b) A website requires a password that consist of 6 alphabets and 6 digits. Find the number of…

A: A website requires a password that consist of 6 alphabets and 6 digits. There are totally 26 letters…

Q: How many different five​-letter passwords can be formed from the letters A, B, C, D, E, F, G and H…

A: Permutation rule:From a group of n items, k items can be arranged in ordered ways in,

Q: How many different passwords exist that consist of 12 characte using uppercase and lowercase…

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Q: How many different 3 letter codes can I make that do not contain any repeated letters

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Q: Determine the number of six-character passwords that can be formed using two letters from A to F and…

A: From A to F there are 6 letters. We can pick 2 letters from 6 letters in 6C2=15 waysIn 1 to 9 there…

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

A: The 12 ternary digits can be arrange in 10! ways, in which exactly four 0s, four 1s, and four 2s can…

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

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Q: How many different 2 letter passwords can be formed from the letters A, B, C, D, E, and F if no…

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Q: How many total ways can we form a 3-letter password or a 4-letter password using the letters from…

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Q: How many different passwords are there that contain only digits and lower-case letters and satisfy…

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Q: How many different numbers with nonrepeating digits from 4000 to 6000 can be produced using the…

A: The problem can be solved using the concept of permutation and combination.

Q: A computer password is required to be 6 characters long. How many passwords are possible if the…

A: From the given information, a computer password is required to be 6 characters long. If the password…

Q: How many 2 letter codes can be formed using A,B,C, and D if each letter can be used any numner of…

A: Here we have two place and any letter can be at any place. Now we have two place and in the first…

Q: Suppose each license plate In a certain state has three letters followed by three digits. The…

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Q: How many passwords with 5 different letters can be made from a,b,c,d,e,f,g,h,I,j,k,l

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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: A 4-digit number is selected from the numbers (1,2,3,4,5,6} where the digits are selected withou…

A: As per given by the question, there are given the numbers {1,2,3,4,5,6} and from these number select…

Q: How many combinations of three-digit numbers are possible with digits 2,4,6?

A: Given three digits are : 2 , 4  and 6 .  Combination of digits : _ _ _ (three places)  For the first…

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: How many different four-character passwords are possible if the first and third character must be a…

A: The number of letters from A to Z is 26 and the number of digits from 0 to 9 is 10.

Q: How many possible passwords can be formed from the letters: ASSISTANT_TITAN ?

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Q: 1..Find the number of words of length 7 using letters from {A,B,C,D,E,F} in which no two consecutive…

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Q: A password must have 2 letters from the school acronym SSPU and 3 digits from 1 to 9. How many…

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Q: For some particular website, the password must start with one of the letters P, Q, R, S, or T. Then…

A: Given: There are 5 possible options for the first character of the password.

Q: How many can 3 digits be formed using the digits from 1 to 5 if the digit 2 is never there in the…

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

A: For one digits we have 10 choice For 2 digits we have 10*10 =100 choice  For one  Uppercase latter…

Q: 10. On a typical keyboard, there are 26 small cap letters, 26 uppercase letters, 10 decimal digits,…

A: It is asked to solve question no. 10 only. So, we will solve only that for you.

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 computer password is required to be 6 characters long. How many passwords are possible if the…

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Q: A computer password is required to be 5 characters long. How many passwords are possible if the…

A: Here, the password consisting of one letter followed by 4 digits. There are 26 possible alphabetical…

Q: Suppose each license plate in a certain state has four letters followed by two digits. The letters…

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Q: Japanese license plates in each state consist of 8 characters. The first two characters can be any…

A: From 0-9 there are 10 digits  First character can occur in 10 ways  The second character can occur…

Q: Your student email account requires you to choose a password of 4 letters followed by 1 of the…

A: We have to find no. of ways to arrnage given data.

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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Q: 2. How many alphabet characters should a password be composed, making sure that there are at least 2…

A: Hello learner, we can answer first question as per the honor policy. Please resubmit other question…