In how many different ways can the letters of the word DAILY be arranged? · ABC26GN5295

Subject: General Aptitude · Chapter: Permutations and Combinations · Exam: Bank P.O. 2008

In how many different ways can the letters of the word DAILY be arranged?

(a)48

(b)60

(c)120

(d)160

(e)None of these

Answer

Answer (as printed): C

Explanation

The given word contains 5 letters, all different. ∴ Required number of ways = 5 = (5 × 4 × 3 × 2 × 1) = 120. 847

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

Study loop for Permutations and Combinations