If the letters of the word REGULATIONS be arranged at random, find the probability that there will be exactly four letters between the `R` and the`Edot`

If the letters of the word "QUESTION" are arranged at random. The probability that there are exactly two letters between Q and U.

If the letters of the word FLOWER are arranged at random,the probability that the order of the consonants is not changed

If the letters of the word "QUESTION" are arranged at random. The probability that there are exactly two letters between Q and U. (A) 13/28 (B) 5/28 (C) 13/14 (D) 51/56

If the letters of the word BANANA are arranged randomly,then find the probability that the word thus formed does not contain the pattern BAN

If letters of the word PENCIL are arranged in random order ,What is the probability that N is ALWAYS next to E ?

The letters of the word EAMCET are permuted at random. The probability that the two E's will never be together, is

If the letters of the word NALGONDA are arranged in arbitrary order,the probability that the letter G,O,D appear in that order is

If the letters of the word PROBABILITY are written down at random in a row,the probability that two B-s are retogether is

If the letters of the word ALGORITHM are arranged at random in row what is the probability that the letters GOR must remain together as a unit?