JEE Main 2020 — Permutation Combination Question with Solution
JEE Main 2020 (08 Jan Shift 1)
Question
An urn contains red marbles, black marbles and white marbles. Then, the number of ways in which marbles can be drawn so that at the most three of them are red is ___________.
Enter your answer
Show full solutionCorrect answer: 490
Correct answer
490
Step-by-step explanation
We have, red, black, white marbles
Required number of ways
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 2020, 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.