Questions
If the letters of the word MOTHER are written in all possible orders and these words are written out as in a dictionary, then the rank of the word MOTHER is
detailed solution
Correct option is D
The number of words starting from E are = 5 ! = 120The number of words starting from H are = 5 != 120The number of words starting from ME are = 4! = 24The number of words starting from MH are = 4! =24The number of words starting from MOE are = 3 ! = 6The number of words starting from MOH are = 3!= 6The number of words starting from MOR are = 3 ! = 6The number of words starting from MOTE are = 2 != 2The number of words starting from MOTHER are = 1!= 1Hence, rank of the word MOTHER=2 (120) + 2 (24) + 3 (6) + 2 + 1= 309Similar Questions
The total number of 5-digit numbers of different digits in which the digit in the middle is the largest is
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests