Question

In how many different ways can the letters of the word ${}^{\prime }RUMOU{R}^{\prime }$ be arranged?

• A. $125$
• B. $180$
• C. $250$
• D. $360$4

Answer 1

The correct option is B $180$

The word "RUMOUR" has two repetitive $R$ and $U$

Therefore , number of arrangements $\frac{6!}{2!\times 2!}=180$