Home
Class 12
MATHS
Consider the letters of the word 'RAMA'....

Consider the letters of the word 'RAMA'.
Here all the letters are not distinct. Two letters A, A are identical.
Now let us select 2 of them and then arranging in order we get RA, AR, RM, MR, AM, MA, AA
Observe that here we are not getting 12 permutations as in Example 1. Now are getting only 7 arranger
This is because all the 4 letters are not distinct.

Promotional Banner

Similar Questions

Explore conceptually related problems

Using the letters of the word 'RAM' How many 6 letter words can be prepared so that all the 3 letters are to appear in the same word atleast once.

How many ways can the letters of the word 'BANANA' be arranged so that all A's come together

Using the letters of the word TRICK , a five letter word with distinct letters is formed such that C is in the middle . In how many ways this is possible ?

The letters of the word “RANDOM' are arranged in all possible ways. The number of arrangements in which there are 2 letters between R and D is

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

The letters of the word 'MADHURI' are arranged in all possible ways. The number of arrangements in which there are 2 letters between R and D is

If the letters of the word 'NORMAL' are arranged in all possible ways and the words thus formed are arranged as in dictionary. Then find the word the rank of which is 455.

The letters of the word 'QUESTION' are arranged in a row at random. The probability that there are exactly two letters between Q and S is

The letters of the word THURSDAY are arranged in a row at random. The probability that there are exactly two letters between T and R is

If the letters of the word PRISON are permuted in all possible ways and the whole thus formed are arranged in dictionary order the rank of the word SIPRON is