Question

If the letters of the word "$MIRROR$" are arranged as in a dictionary, then the rank of the given word is

• A. $23$
• B. $84$
• C. $49$
• D. $48$

Answer 1

The correct option is A $23$

The alphabetical order of the letters of the given word is $I,M,O,R,R,R$
The number of words begin with I is $\frac{5!}{3!}$=$20$
The number of words begin with $MIO$ is $=$ $1$
The number of words begin with $MIRORR$ is $=$ $1$
Next word is $MIRROR$
Rank is $23$