Probability Question 109
Question: A box contains 10 red balls and 15 green balls. If two balls are drawn in succession then the probability that one is red and other is green, is
Options:
A) $ \frac{1}{3} $
B) $ \frac{1}{2} $
C) $ \frac{1}{4} $
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
Required probability $ =\frac{(10.15)}{{}^{25}C_2}=( \frac{2.10.15}{25.24} )=\frac{1}{2}. $
BETA
