JEE Main 2025 Mathematics question
If all the words with or without meaning made using all the letters of the word "KANPUR" are arranged as in a dictionary, then the word at 440th position in this arrangement, is :
Answer: (3)
Solution
A,K,N each give 120 words (360 total), P+A,K,N each give 24 (72 more, total 432), PRA gives 6 more (438), then PRKANU (439), PRKAUN (440)