Data Science and Artificial Intelligence
2025 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE DA 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 31–33 of 65. Imported answers require review unless explicitly marked reviewed.
Question 31
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There are three boxes containing white balls and black balls.
Box-1 contains 2 black and 1 white balls.
Box-2 contains 1 black and 2 white balls.
Box-3 contains 3 black and 3 white balls.
In a random experiment, one of these boxes is selected, where the probability of choosing Box-1 is
, Box-2 is
, and Box-3 is
. A ball is drawn at random from the selected box. Given that the ball drawn is white, the probability that it is drawn from Box-2 is ________ (Round off to two decimal places)Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 32
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____________
(Round off to one decimal place)Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 33
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On a relation named Loan of a bank:
loan_number | branch_name | amount |
|---|---|---|
L11 | Banjara Hills | 9000 |
L14 | Kondapur | 5000 |
L15 | SR Nagar | 4000 |
L22 | SR Nagar | 2500 |
L23 | Balanagar | 8000 |
L25 | Kondapur | 7000 |
L19 | SR Nagar | 6500 |
the following SQL query is executed.
SELECT L1.loan_number
FROM Loan L1
WHERE L1.amount > (SELECT MAX (L2.amount)
FROM Loan L2
WHERE L2.branch_name = 'SR Nagar');
The number of rows returned by the query is ________ (Answer in integer)
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