" How many four letter words can be formed using the letter of the word 'INEFFECTIVE'."

How many four- letters words can be formed using the letters of the word 'INEFFECTIVE'?

How many 5 letters words can be formed using the letters of the words ' INEFFECTIVE'

How many 5 letters words can be formed using the letters of the words ' INEFFECTIVE '

How many 3 letter words can be formed using the letters of theword INEFFECTIVE?

How many 4 letter words can be formed using the letters of the word 'PROPORTION'.

How many three letter words are formed using the letters of the word FAILURE?

How many 9 letters words can be formed using the letters of the word "COMMITTEE" ?

How many words can be formed using the letters of the word INDIA

How many 4 letter words can be formed using the letters of the word 'ARTICLE' such that the words contain A but bot E