How many words can be formed with the letters o the word MATHEMATICS by rearranging them.

How many new words can be formed using all the letters of the word 'MEDITERRANEAN', if vowels and consonants occupy the same relative positions ?

The number of words formed using the letters of the word 'ARTICLE' is

How many strings can be formed using the letters of the word LOTUS if the word . (i) either starts with L or ends with S. (ii) neither starts with L nor ends with S ?

How many ‘letter strings’ can be formed using the letters of the word HIGHER such that Q the strings ends with H.

How many ‘letter strings’ can be formed using the letters of the word HIGHER such that Q the strings starts with G and ends with E.