Answer :


Two balls are to be transferred at random from Bag I to Bag II.

The possibilities are as follows:

(i) 1 red and 1 black: Bag II now has 5 red and 6 black balls

(ii) 2 red and 0 black: Bag II now has 6 red and 5 black balls

(iii) 0 red and 2 black: Bag II now has 4 red and 7 black balls

We want the probability for case (iii), when both the balls transferred from Bag I to Bag II were black.

The required probability of getting a red ball from Bag II in this case 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
view all courses

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