JEE Main & Advanced
Mathematics
Probability
Question Bank
Mock Test - Probability
question_answer
The probabilities of winning a race by three persons A, B, and C are 1/2, 1/4, and 1/4, respectively. They run two races. The probability of A winning the second race when B, wins the first race is
A)1/3
B)½
C)1/4
D)2/3
Correct Answer:
B
Solution :
[b] The probability of winning of A the second race is 1/2 (since both events are independent.).