letters in the word ABUSER are permuted in all possible ways and arranged in alphabetical order then find the word at position 49 in the permuted alphabetical order? Choose the correct answer.
A) KASJJHJ
B) DGUJKL
C) ARBESU
D) ILUGUO
E) HDIWWD
Ans: The best way to solve this problems is Just ask how many words starts with A. If we fix A, then the remaining letters can be arranged in 5! ways = 120. So the asked word must start with A.   Arrange all the given letters in alphabetical order. ABERSU   Let us find all the words start with AB. AB**** = 4!= 24 ways   Now we find all the words start wit AE. AE****= 4!= 24 ways   So next word start with AR and remaining letters are BESU   Answer:ARBESU
<result>C</result>
letters in the word ABUSER are permuted in all possible ways and arranged in alphabetical order then find the word at position 49 in the permuted alphabetical order?