JEE Main 2012 — Permutation Combination Question with Solution
JEE Main 2012 (Offline)
Question
Assuming the balls to be identical except for difference in colours, the number of ways in which one or more balls can be selected from white, green and black balls is
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Number of ways of selecting one or more balls from white, green, and black balls
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Permutation Combination chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2012, 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.