ABC26GN5291 · Permutations and Combinations

Subject: General Aptitude · Chapter: Permutations and Combinations · Exam: 2008 · Marks: · Difficulty:

In how many different ways can the letters of the word WEDDING be arranged?
(a)2500
(b)2520
(c)5000
(d)5040
(e)None of these
Answer
Answer (as printed): B
Explanation
The given word contains 7 letters of which D is taken 2 times. ∴ Required number of ways 7 7 ×6×5×4×3×2×1 = = = 2520. 2 2×1

Explanation as extracted from the printed page; notation may be imperfect.

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