Question
Question: A bag contains 19 tickets numbered from 1 to 19. A ticket is drawn and then another ticket is drawn ...
A bag contains 19 tickets numbered from 1 to 19. A ticket is drawn and then another ticket is drawn without replacement. The probability that both the tickets will show even number, is
A
199
B
188
C
189
D
194
Answer
194
Explanation
Solution
The probability of getting an even number in first draw =199 . The probability of getting an even number in second draw =188. Both are independent event and so required probability =199×188=194