Q. 74.7( 19 Votes )

An urn contains 6

Answer :

Given: An urn contains 6 balls of which two are red, and four are black.


To Find: The probability that the balls are of different colours.


If the drawn two balls are of different colours, then one must be red, and another must be black.


To draw one red ball out of two, the probability is =


To draw one black ball out of four, the probability is =


To draw two balls out of six balls, the probability is =


So, the probability is = = =

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

A bag contains 6 RD Sharma - Volume 2

A man is known toMathematics - Board Papers

A bag contaRD Sharma - Volume 2

Three persons A, Mathematics - Board Papers

Bag I contains 3 Mathematics - Board Papers

A speaks trRD Sharma - Volume 2

Two cards aRD Sharma - Volume 2

A bag contaRD Sharma - Volume 2

Kamal and MRD Sharma - Volume 2

Two balls aRD Sharma - Volume 2