Arranging all the Letters of a Word where all the letters are not different

No. Problems & Solutions [Click Hide/Show to display the solutions below the question]
01.
The letters of SUCCESS are arranged at random. The probability that the vowels occupy even places is

Solution
[1/7]

02.
In a random arrangement of the letters of the word “COMMERCE”. Find the probability that all the vowels come together

Solution
[3/28]

03.
If the letters of the word ASSASSIN” are written down at random in a row, the probability that no two s’s occur together is

Solution
[3/28]

04.
The letters of the word ARRANGE are arranged at random. Find the probability that
(i) the two R’s come together
(ii) the two R’s do not come together
(iii) the two R’s and the two A’s come together
(iv) the two R’s come together and the two A’s do not come together

Solution
[2/7; 5/7; 2/21, 4/35; 4/21]

05.
Define the Event and identify the number of favourable choices in the following cases
a) What is probability that 4 I’s appear consecutively in the word MISSISSIPPI assuming that the letters are arranged at random
b) Find the probability that in a random arrangement of the letters of the word UNIVERSITY, the two I’s do not come together.
c) The letters of the word ACCOUNTANCY are arranged in a row at random. Find the probability that (i) all c’s come together and (ii) all c's come together and all a's may not come together.
d) When all the letters of the word EAGLET are arranged in a row, that probability of getting a word in which E’s occupy central position is

Solution
[2/7; 5/7; 2/21, 4/35; 4/21]

No. Problems for Practice
01.
The probability that in a random arrangement of letters of the word COLLEGE the two E’s do not come together is
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