College of Admission Tests Multan

Permutation and Combination

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 9

In how many way the letter of the word "RUMOUR" can be arranged
  • 2520
  • 480
  • 360
  • 180

  Show/Hide Explanation 

Correct Answer: D

In above word, there are 2 "R" and 2 "U"

So Required number will be

6! 2! × 2!

= 6 × 5 × 4 × 3 × 2 × 1 4

=180