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 10–12 of 65. Imported answers require review unless explicitly marked reviewed.
Question 10
Open questionGAMCQ2 marksNeeds review
The number of patients per shift (
) consulting Dr. Gita in her past 100 shifts is shown in the figure. If the amount she earns per shift in the past 100 shifts is ₹ 100
, what is the average amount (in ₹) she has earned per shift in the past 100 shifts?Note: The figure shown is representative.

Your answerChoose one option.
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Open questiondaMCQ1 markNeeds review
Suppose
and
are random variables. The conditional expectation of
given
is denoted by
. Then
equalsYour answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 12
Open questiondaMCQ1 markNeeds review
The number of additions and multiplications involved in performing Gaussian elimination on any
upper triangular matrix is of the orderYour answerChoose one option.
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