How many 8-letter words are there using the letters: A, B, C, D such that each letter is used exactly 2 times?
How many 8-letter words are there using the letters: A, B, C, D such that each...
I have 4 questions dont know can anyone help me with any of it? ii) Consider the 11 letter word MATHEMATICS a) How many distinct words can be formed by rearranging its letters? b) How many 4 letter words can be formed using the letters in the word MATHEMATICS, using letters no more often than they appear in the word? ii) Consider the equation where xi, x2, 13, T4,5 and re are non-negative integers a) How many solutions are there...
Problem How many four-letter code words are possible using the letters in IOWA if (a) The letters may not be repeated? (b) The letters may be repeated?
46. How many different four-letter codes are there if only the letters A, B, C, D, E, and F can be used and no letter can be used more than once?
Q3. Suppose a language containing five letters: A, B, C, D, E (5%) (b) How many four-letter words can you form if each letter appears only once in each word? (5%) (c) What is the probability that a three-letter word (with each letter appearing only once) con (a) How many three-letter words can you form in this language? tains E? (5%)
9. How many 10-letter words are there in which each of the letters e, n, r , s occur (a) At most once? (b) At least once?
Consider passwords of length 8 using symbols from the set of lower case letters: {a, b, c, ..., z}. (a) How many such passwords use the letter p exactly two times and the letter q exactly two times? To illustrate, both akpqbqop and quaqpoop satisfy this condition. Include a brief indication of your strategy. (b) How many such passwords use the letter p exactly once and the letter q exactly once and also have letters arranged so the p is...
Question 3 (20 points) (a) How many words with or without meaning, can be formed by using all the letters of the word, 'INSAN- ITY' using each letter exactly once? (b) How many words with or without meaning, can be formed by using all the letters of the word, 'TENNESSEE' using each letter exactly once?
How many 11 letter strings can be formed with the letters D, E, F, and G. If each letter can be used more than once?
i. How many 5-letter passwords (letters may be repeated) can be created from the monkey type- writer from Q1 if it is forbidden for a password to begin and end with the same letter? Answer: 11. Using the monkey typewriter from Q1, how many 8-letter words are there consisting of 8 distinct letters that contain the word 'APE' (as 3 consecutive) letters within the 8-letter word? Answer: iii. Suppose that a group of 9 inhabitants of the Island of Knights...
How many 6-letter code words can be formed from the letters T, O, U, DL, Y if no letter is repeated? If letters can be repeated? If adjacent letters must be different? There are possible 6-letter code words if no letter is repeated. (Type a whole number.) There are possible 6-letter code words if letters can be repeated. (Type a whole number) There are possible 6-letter code words if adjacent letters must be different. (Type a whole number.)