Question
How many different ways can the letters of the word
‘DEMONETIZATION’ be arranged?Solution
D ⇒ 1 E ⇒ 2 M ⇒ 1 O ⇒ 2 N ⇒ 2 T ⇒ 2 I ⇒ 2 Z ⇒ 1 A ⇒ 1 Number of ways = 14!/(2!x2!x2!x2!x2!) = 87178291200/(2x2x2x2x2) = 87178291200/32 = 2724321600
More Permutation and combination Questions
- Find the wrong number in the given number series.
17, 28, 21, 32, 25, 45 120, 240, 80, 320, 60, 384
15, 30, 30, 20, 10, 8
121, 240, 386, 555, 751, 976
225, 45, 450, 90, 900, 150, 1800
360, 322, 286, 248, 220, 190
Find the Wrong number in the given number series.
3, 6, 2, 8, 2.4, 9.6
21, 23, 27, 35, 51, 87Â
12, 3.6, 18, 0.72, 0.432, 0.3024
39, 43, 59, 95, 159, 281