ABC26GN5292 · Permutations and Combinations

Subject: General Aptitude · Chapter: Permutations and Combinations · Exam: 2009 · Marks: · Difficulty:

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

(a)40320

(b)10080

(c)20160

(d)64

(e)None of these

Answer

Answer (as printed): C

Explanation

The given word contains 8 letters of which E is taken 2 times. ∴ 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.