GATE 2024 CS (CS1) – Question 63
A bag contains 10 red balls and 15 blue balls. Two balls are drawn randomly without replacement. Given that the first ball drawn is red, the probability (rounded off to 3 decimal places) that both balls drawn are red is _________
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Correct answer: 0.375
Explanation
Given the first is red, 9 red remain among 24 balls. Probability the second is red = 9/24 = 0.375.