List of practice Questions

Which term refers to the sign of severe Vitamin A deficiency where the cornea becomes dry and rough?
What is the standard mark used for certifying agricultural products in India?
Which ensemble technique reduces variance by training multiple trees on different subsets of data?
What is the value of \((AB)^T\) in matrix algebra?
How many edges are there in a complete graph with \(n\) vertices?
Which layer of the OSI model is responsible for IP addressing and routing?
What is the probability of getting a sum of \(9\) when two fair dice are rolled simultaneously?
In a Binary Search Tree, which traversal method produces the elements in non-decreasing order?
A high variance in a machine learning model is a primary indicator of which problem?
Which data structure is used by the system to implement recursion?
In Linear Regression, what is the primary goal of the Ordinary Least Squares (OLS) method?
What is the determinant of an identity matrix of any order \(n\)?
Which activation function is zero-centered and ranges between \(-1\) and \(1\)?
If a relation is both symmetric and antisymmetric, what must be true about the elements in that relation?
In Operating Systems, which condition ensures that a process cannot be preempted from its resource until it completes its task?
What is the time complexity of building a heap from an unsorted array of size \(n\)?
What is the degree of freedom for a Chi-square test used in a \(3 \times 4\) contingency table?
Find the limit of \( \left(1 + \frac{1}{n}\right)^n \) as \(n \to \infty\).
In a negatively skewed distribution, what is the correct relationship between the Mean, Median, and Mode?
What is the value of the integral \( \displaystyle \int_{-\infty}^{\infty} e^{-x^2}\,dx \)?
Which test is most appropriate for testing the significance of the difference between two small sample means?
A bag contains \(5\) red and \(7\) blue balls. If two balls are drawn at random, what is the probability that both are red?
If the correlation coefficient between \(X\) and \(Y\) is \(0.8\), what is the coefficient of determination?
In Simple Random Sampling Without Replacement (SRSWOR), what is the probability of selecting a specific unit at the second draw?
What is the rank of a \(3 \times 3\) identity matrix added to a \(3 \times 3\) null matrix?