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

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

How many three letter words can be made using the letters of the word ORIENTAL?

How many three letter words can be made using the letters of the word ORIENTAL?

How many 5 - letter words can be formed out of the letters of the word KNIFE ,if repetition of letters is not allowed.

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

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 two letter words can be formed using letters from the word SPACE, when repetition of letters (i) is allowed, (ii) is not allowed?