1
GATE AI 2025
MCQ (Single Correct Answer)
+2
-0
A random experiment consists of throwing 100 fair dice, each die having six faces numbered 1 to 6 . An event $A$ represents the set of all outcomes where at least one of the dice shows a 1 . Then, $\mathrm{P}(\mathrm{A})=$
A
0
B
1
C
$1-\left(\frac{5}{6}\right)^{100}$
D
$\left(\frac{5}{6}\right)^{100}$
2
GATE AI 2025
MCQ (More than One Correct Answer)
+2
-0

Consider the function

$$ f(\mathrm{x})=\frac{x^3}{3}+\frac{7}{2} x^2+10 x+\frac{133}{2}, x \in[-8,0] . $$

Which of the following statements is/are correct?

A
The maximum value of $f$ is attained at $x=-5$
B
The minimum value of $f$ is attained at $x=-2$
C
The maximum value of $f$ is $\frac{133}{2}$
D
The minimum value of the derivative of $f$ is attained at $x=-\frac{7}{2}$
3
GATE AI 2025
MCQ (More than One Correct Answer)
+2
-0

Let $f: \mathbb{R} \rightarrow \mathbb{R}$ be a twice-differentiable function and suppose its second derivative

satisfies $f^{\prime \prime}(x)>0$ for all $x \in \mathbb{R}$. Which of the following statements is/are ALWAYS correct?

A
$f$ has a local minima
B
There does not exist $x$ and $y, x \neq y$,, such that $f^{\prime}(x)=f^{\prime}(y)=0$
C
$f$ has at most one global minimum
D
$f$ has at most one local minimum
4
GATE AI 2025
MCQ (More than One Correct Answer)
+2
-0

An $n \times n$ matrix $A$ with real entries satisfies the property: $\|A x\|^2=\|x\|^2$ for all $x \in R^n$ where $\|\cdot\|$ denotes the Euclidean norm. Which of the following statements is/are ALWAYS correct?

A
$A$ must be orthogonal
B
$A=I$, where $I$ denotes the identity matrix, is the only solution
C
The eigenvalues of $A$ are either +1 or $-1$
D
A has full rank

GATE Data Science and Artificial Intelligence Papers

All year-wise previous year question papers