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In how many ways can the letters of the word LEADER can be arranged?
1. 72
2. 144
3. 360
4. 720
5. None of the above/More than one of the above

1 Answer

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Best answer
Correct Answer - Option 3 : 360

Given

Word = LEADER

Concept

A word having 'n' letters in which 'a' letters are repeated can be written in n!/a! ways.

Calculation

Number of letters in LEADER = 6

Number of repeated letters = 2

∴ Required ways = 6!/2! = 6 × 5 × 4 × 3 = 360

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