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Q#1
Probability and Statistics
GATE EC 2025
MCQ
+1 mark
-0.33 marks
A pot contains two red balls and two blue balls. Two balls are drawn from this pot randomly without replacement.
What is the probability that the two balls drawn have different colours?
2 / 3
1 / 3
1 / 2
1
Explanation:
Red balls 
, Blue balls
Total balls 
.
Total No. of ways of selecting 2 balls 
No. of ways of withdrawn 2 balls of different colours
Hence, option (a) is correct.
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