Subject
Quantitative Aptitude
Topic
Permutation & Combination
In how many ways can the letters of the word 'LEADER' be arranged?
In how many ways can the letters of the word 'LEADER' be arranged?
ক)
72খ)
144গ)
360ঘ)
720Explanation
The word 'LEADER' contains 6 letters, namely 1L, 2E, 1A, 1D and 1R. Required number of ways = (6!) / {(1!)(2!)(1!)(1!)(1!)} = 360.Related questions
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