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

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

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

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

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

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

How many 4 letter words can be formed using the letters of the word 'ARTICLE' such that the words do not contain A

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

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

How many 4 letter words can be formed using the letters of the word ARTICLE such that the word contains A but not E