How many 4-letter words with at least one consonant can be constructed from the letters a,b,c,d,e and ? (Note that b,c,d and are consonants, any word is valid, not just English language words, and letters may be used more than once.)
Nope what?
How many 4-letter words with at least one consonant can be constructed from the letters a,b,c,d,e and ? (Note that b,c,d and are consonants, any word is valid, not just English language words, and letters may be used more than once.)
You still have not proofread your question. It does not make sense.