Question

in a box there are 3 blue ,4 red and 5 green balls what is the probability of picking up 4 balls such that there are 2 red balls and 1 ball blue and green ​

Answer 1

Answer:

Step-by-step explanation:

- Green   5- Blue   3- Red

(i) Red in colour → total = 4+5+3=12

⇒  

12

3

​  

=  

4

1

​  

 

(ii) not Green in colour:- means balls maybe blue or Red.

Blue + Red = 5+3=8 and total = 12

So : Answer is  

12

8

​  

=  

3

2

​  

Answer 2

Answer:

don't know how hi hi hghhhh