Math Problem Statement

the letter without repetitions,how many 4 letter codes can be formed,if it contain 3 consonants

Solution

To solve this problem, we need to calculate how many 4-letter codes can be formed with exactly 3 consonants and 1 vowel, without any repetition of letters.

Step 1: Determine the number of consonants and vowels in the alphabet.

  • Total consonants: 21 (since there are 26 letters in the English alphabet