The number of arrangements of the letters of the word NAVANAVALAVANYAM which begin with N and end with M is:

The number of arrangements of the letters of the word BANANA is which the two ‘N’s do not appear adjacently is

The number of arrangements of the letters of the word 'BANANA' in which neither all the 3 A's nor 2 N's come together is

The number of ways of arranging the letters of the word DISCIPLINE

The number of ways of arranging the letters of the word HARIKRISHNA is

How many words with distinct letters can be formed by using all the letters of the word PLAYER, which begin with P and end with R?

Find the number of permutations of the letters of the word 'ENGLISH'. How many of these begin with E and end with I?

If N_(1) is the number of arrangements of the letters of the word 'EQUATION' in which all vowels are together and N_(2) is the number of arrangements of the letters of the word 'PERMUTATION' in which vowels are in alphabetical order, then (4N_(2))/(7N_(1))=