Question

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

Answer 1

Answer:

ANSWER

4- Green   5- Blue   3- Red

(i) Red in colour → total = 4+5+3=12

⇒123=41

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

Blue + Red = 5+3=8 and total = 12

So : Answer is 128=32

Step-by-step explanation:

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