Q. The rank of the word MOTHER when the letters of the word are arranged alphabetically as in a dictionary, is
A) 261
B) 343
C) 309
D) 273
Explanation
(c)
Rank of word in a dictionary
$= 2 \times 5! + 2 \times 4! + 3 \times 3! + 2! + 1$
$= 240 + 48 + 18 + 2 + 1$
$= 309$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.