JEE Main 2025 Mathematics question

MathematicsPermutations and CombinationsJEE Main 2025

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)

Question ID VK-002352