In how many ways it is possible to write the word `ZENITH` in a dictionary?

The letters of the word ZENITH are written in all possible orders. How many words are possible if all these words are written out as in dictionary ? What is the rank of the word ZENITH?

A set of 15 different words are given. In how many ways is it possible to choose a subset of not more than 5 words?

If the letters of the word '' RACI II T '' are arranged in all possible ways and these words written out as in a dictionary , then the rank of the word ' RACHIT' is :

If the letters of the word KRISNA are arranged in all possible ways and these word 23 written out as in a dictionary, then the rank of the word KRISNA is

If the letters of the word “VARUN” are written in all possible ways and then are arranged as in a dictionary, then rank of the word VARUN is

The letters of the word OUGHT are written in all possible order and these words are written out as in a dictionary. Find the rank of the word TOUGH in this dictionary.