Permutations and Combinations

Find the number of all possible different words into which the word ‘INTERFERENCE’ can be converted by change of place of the letters, it being given that no two consonants are to be together.

How many different words can be formed with the letters of HARYANA? In how many of these
  1. H and N are together,
  2. begin with H and end with N?

Are you need any help? Contact Us now.

Latest Articles

« »