GATE MT · 2021 · GA
Question 7: Probability and Statistics
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Question 7
GAMCQ2 marksNeeds review
A box contains 15 blue balls and 45 black balls. If 2 balls are selected randomly, without replacement, the probability of an outcome in which the first selected is a blue ball and the second selected is a black ball, is ______
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2021GA
GATE MT 2021 · Paper 1
Metallurgical Engineering · Original paper archive
- Section
- General Aptitude
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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