Q. 24.0( 4 Votes )

A bag contains 5

Answer :

There are 5 black and 6 red balls. So,


The number of ways of selecting 2 black balls from 5 black balls is 5C2, and number of ways of selecting 3 red balls from 6 red balls is 6C3 .


Thus using the multiplication principle , the total number of ways will be


5C2 × 6C3 ways.


Applying nCr =


200 ways


Thus, the total number of ways in which 2 black and 3 red balls can be selected is 200.


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