How many 3 letter words can be formed using the letters of theword 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 four- letters words can be formed using the letters of the word 'INEFFECTIVE'?

How many three letter words can be formed using the letters of the word NARESH? (Repetition of letters is not allowed)

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 word contains A but not E

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 4 letter words can be formed using the letters of the word ARTICLE such that each word begin with vowel

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