JEE Main 2009 — Permutation Combination Question with Solution
JEE Main 2009
Question
From 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are to be selected and arranged in a row on the shelf so that the dictionary is always in the middle. Then the number of such arrangements is
Choose an option
Show full solutionCorrect option: D
Correct answer
Dat least 1000
Step-by-step explanation
4 novels can be selected from 6 novels in ways. 1 dictionary can be selected from 3 dictionaries in ways. As the dictionary selected is fixed in the middle, the remaining 4 novels can be arranged in 4 ! ways.
The required number of ways of arrangement
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This is a previous-year question from JEE Main 2009, covering the Permutation Combination chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.