JEE Main 2013 — Permutation Combination Question with Solution
JEE Main 2013 (22 Apr Online)
Question
The number of ways in which an examiner can assign 30 marks to 8 questions, giving not less than 2 marks to any question, is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
30 marks to be alloted to 8 questions. Each question has to be given marks Let questions be and
Let so, so,
So,
So, this is a problem of distributing 14 articles in 8 groups.
Number of ways
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This is a previous-year question from JEE Main 2013, 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.