A bag contains 3 red, 4 black and 5 green identical balls. Two balls are picked at random, one after the other without replacement. Find the probability that one is red and the other is green
- A.
2/3 - B.
5/11 - C.
5/22 - D.
5/24 - E.
5/48
Correct Answer: Option C
Explanation
Total balls = 12
RG or GR
312
x
511
+
512
x
311
544
+
544
=
1044
=
522