Letters in the word `HULULULU` are rearranged . The probability of all three L being together is

The letters of the word 'EQUATION' are arranged in a row. Find the probability that: all the vowel are together.

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

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

The letters of the word MISSISSIPI are arranged in a row at random . The probability that all S's come together is

The letters of the word "SOCIETY" are placed at random in a row. The probability that three vowels occur together is

All letters of the word 'CEASE' are arranged randomly in a row, then the probability that to E are found together is