In how many different ways can the letters of the word PUNCTUAL be arranged? · ABC26GN5298
Subject: General Aptitude · Chapter: Permutations and Combinations · Exam: Bank P.O. 2009
In how many different ways can the letters of the word PUNCTUAL be arranged?
(a)64
(b)960
(c)20160
(d)40320
(e)None of these
Answer
Answer (as printed): C
Explanation
The given word contains 8 letters out of which U is taken 2 times and all other letters are different. ∴ Required number of ways 8 8×7 ×6×5×4×3×2×1 = = = 20160. 2 2
Explanation as extracted from the printed page; notation may be imperfect.