Math Problem Statement
how many words can be formed each of 2 vowels and 3 consonants from the letters of the given word - DAUGHTER
Solution
Let's break down the problem step-by-step.
Given Word:
The word is "DAUGHTER".
Identifying Vowels and Consonants:
- Vowels in "DAUGHTER": A, U, E (3 vowels)
- Consonants in "DAUGHTER": D, G, H, T, R (5 consonants)
Choosing the Letters:
-
Choose 2 vowels out of 3:
The number of ways to select 2 vowels from 3 is given by the combination formula: -
Choose 3 consonants out of 5:
The number of ways to select 3 consonants from 5 is:
Forming the Words:
Each selection of 2 vowels and 3 consonants gives us a set of 5 distinct letters. The number of ways to arrange 5 distinct letters is:
Calculating the Total Number of Words:
The total number of words formed is given by multiplying the number of ways to choose the vowels and consonants, and the number of permutations of the selected letters:
Thus, the total number of words that can be formed is:
Would you like me to explain any specific step further, or have any questions?
Related Questions:
- How many distinct permutations can be made from all the letters in "DAUGHTER"?
- What is the number of words formed if 3 vowels and 2 consonants are chosen instead?
- How many distinct 4-letter words can be formed from "DAUGHTER"?
- What is the probability of randomly choosing a 5-letter word with at least 2 vowels from "DAUGHTER"?
- If repetitions are allowed, how many 5-letter combinations can be made using "DAUGHTER"?
Tip: Always identify distinct groups (vowels and consonants) separately when dealing with letter arrangements in words.
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Permutations
Combinations
Formulas
Combination formula: C(n, k) = n! / [k!(n-k)!]
Permutation formula: P(n) = n!
Theorems
Basic Counting Principle
Suitable Grade Level
Grades 9-12
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