Number of ways in which the letters of the word SUCCESSFUL be arranged is

Number of ways in which the letters of the word DECISIONS be arranged so that letter N be somewhere to the right of the letter "D" is (lfloor9)/(lambda) . Find lambda .

Number of ways in which the letters of the word TAMANNA be arranged is

Number of ways in which the letters of the word TAMANNA be arranged is

Number of ways in which the letters of the word RIANBOW be arranged such that N and B are together is

Number of ways in which the letters of the word RAINBOW be arranged such that N and B are together is

The numbers of ways in which the letters of the word 'VOWEL' can be arranged so that the letters O, E occupy only even places is

The number of ways in which the letters of the word ARRANGE be arranged so that the two R's are never together.

The number of ways in which the letters of the word ARRANGE be arranged so that the two R's are never together.