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a) How many four-letter words can be formed from the letters of the word TAUDRY if...

a) How many four-letter words can be formed from the letters of the word TAUDRY if each letter can only be used one time in a word? Y is NOT considered a vowel in this word.

b) How many contain the letter Y?

c) How many contain all the vowels?

d) How many contain exactly three consonants?

e) How many of them begin and end in a consonant?

f) How. many begin with a D and end in a vowel

g) How many contain both D and Y?

Math   Statistics-And-Probability   
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