Aptitude - Permutation and Combination - Discussion
Discussion Forum : Permutation and Combination - General Questions (Q.No. 5)
5.
In how many ways can the letters of the word 'LEADER' be arranged?
Answer: Option
Explanation:
The word 'LEADER' contains 6 letters, namely 1L, 2E, 1A, 1D and 1R.
 Required number of ways = |
6! | = 360. |
| (1!)(2!)(1!)(1!)(1!) |
Video Explanation: https://youtu.be/2_2QukHfkYA
Discussion:
84 comments Page 9 of 9.
Anand khakal said:
1 decade ago
Please explain following question I am not understand what is mean by 6! = 360?
(1!) (2!) (1!) (1!) (1!).
!- what is this?
(1!) (2!) (1!) (1!) (1!).
!- what is this?
Veenita said:
1 decade ago
First the word letter it can come in 5 different ways and the word letter have 6 words.
Gopal said:
1 decade ago
I have a similar doubt,
I have 2 each of 24 different colors, how many 12 color combinations are possible?
I have 2 each of 24 different colors, how many 12 color combinations are possible?
Pri said:
1 decade ago
Actually 6 letter so we got 6*5*4*3*2*1= 720 but e 2 time repeated so we divided 720/2=360.
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