How many independent words can $STAINLESS$ be divided into without changing the order of the letters and using each letter only once?

Find which one word cannot be made from the letters of the given word: $CARPENTER$.

How many meaningful English words can be formed with the letters $ATN$ using each letter only once in each word?

Find which one word cannot be made from the letters of the given word: $VENTURESOME$.

If in the word $DISTANCE$ all the vowels are replaced by the next letter and all the consonants are replaced by the previous letter and then all the letters are arranged alphabetically,which letter will be third from the right?

Find which one word cannot be made from the letters of the given word.
$MEASUREMENT$