Mathematics - Permutation & Combination Question with Solution | TestHub
MathematicsPermutation & CombinationnPr & nCrMedium2 minPYQ_2020
MathematicsMediumnumerical
An urn containsred marbles,black marbles andwhite marbles. Then, the number of ways in whichmarbles can be drawn so that at the most three of them are red is ___________.
Answer:
490.00
Solution:
We have, red, black, white marbles
Required number of ways
Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:nPr & nCr
⏱ 2mℹ️ Source: PYQ_2020
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