Find the number of permutations of the word ASSASSINATION taken 4 at a time.

Find the number of permutation of letters of the word MATHEMATICS.

Find the number of permutations in the letters of the word PROPORTION taken 4 at a time .

Find the number of permutations of the letter of the words 'INDIA '

Find the number of permutations in the letters of the word ACCOUNTANCY taken 4 at a time .

The number of permutations of the letters of the word SIMPLETON taken all at a time is :

The number of permutations of the letters of the word IPROPORTION' taken 4 at a time so that 3 are alike and one is different is

There are 4n things of which n are alike and the rest different. Find the number of permutations of 4n things taken 2n at a time, each permutation containing the n like things.

Find the number of permutations of the letters of word 'DISSIMILAR' when all are taken at a time.