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#QuestionSubject and topicDifficulty
4251 A user who both watches online videos and uploads her own cooking videos is sometimes called a Mass Media/Mass Communication
The changed paradigm
Medium
4252 Which change is a direct result of weaker gatekeeping in new media? Mass Media/Mass Communication
The changed paradigm
Medium
4253 Within hours of an incident abroad, people in many countries are discussing it online and a hashtag is trendi… Mass Media/Mass Communication
The changed paradigm
Hard
4254 The gap between people who have access to digital technology and those who do not is called the Mass Media/Mass Communication
Socio-political implications
Easy
4255 The UNESCO report "Many Voices, One World" (1980) is associated with the Mass Media/Mass Communication
Socio-political implications
Easy
4256 The NWICO debate mainly concerned Mass Media/Mass Communication
Socio-political implications
Medium
4257 A village student cannot attend online classes because of poor connectivity and lack of a smartphone. This il… Mass Media/Mass Communication
Socio-political implications
Medium
4258 Which argument best supports the view that new media can strengthen democracy? Mass Media/Mass Communication
Socio-political implications
Hard
4259 A smartphone that works as a camera, radio, television and newspaper reader is an example of Mass Media/Mass Communication
Media convergence and emerging trends
Easy
4260 Reporting news using only a mobile phone to shoot, edit and publish stories is called Mass Media/Mass Communication
Media convergence and emerging trends
Easy
4261 A single company owns a newspaper, two TV channels, an FM station and a news website. This is mainly an examp… Mass Media/Mass Communication
Media convergence and emerging trends
Medium
4262 A news story first appears on a website, is discussed on TV that evening and is printed in detail the next mo… Mass Media/Mass Communication
Media convergence and emerging trends
Medium
4263 Which is a major concern raised by ownership convergence in the media? Mass Media/Mass Communication
Media convergence and emerging trends
Hard
4264 On A = {1, 2, 3}, the relation R = {(1, 1), (2, 2), (3, 3), (1, 2)} is Mathematics/Applied Mathematics
Types of relations
Easy
4265 How many relations can be defined on a set with 2 elements? Mathematics/Applied Mathematics
Types of relations
Easy
4266 On the set of integers, a R b means 5 divides a − b. Which set is the equivalence class of 2? Mathematics/Applied Mathematics
Types of relations
Medium
4267 The relation "line l₁ is perpendicular to line l₂" on the set of all lines in a plane is Mathematics/Applied Mathematics
Types of relations
Medium
4268 How many equivalence relations on {1, 2, 3} contain the pair (1, 2)? Mathematics/Applied Mathematics
Types of relations
Hard
4269 The function f : R → R given by f(x) = 2x + 3 is Mathematics/Applied Mathematics
Types of functions
Easy
4270 The function f : R → R defined by f(x) = x² is Mathematics/Applied Mathematics
Types of functions
Easy
4271 If f : R → R is defined by f(x) = 3x − 2, then f⁻¹(x) equals Mathematics/Applied Mathematics
Types of functions
Medium
4272 If f(x) = x² and g(x) = x + 1, what is (fog)(2) − (gof)(2)? Mathematics/Applied Mathematics
Types of functions
Medium
4273 How many one-one functions are there from {1, 2, 3} to {a, b, c, d}? Mathematics/Applied Mathematics
Types of functions
Hard
4274 The principal value of sin⁻¹(−½) is Mathematics/Applied Mathematics
Inverse trigonometric functions
Easy
4275 The range of the principal value branch of cos⁻¹x is Mathematics/Applied Mathematics
Inverse trigonometric functions
Easy
4276 The value of cos⁻¹(cos 7π/6) is Mathematics/Applied Mathematics
Inverse trigonometric functions
Medium
4277 The value of tan⁻¹(1) + cos⁻¹(−½) + sin⁻¹(−½) is Mathematics/Applied Mathematics
Inverse trigonometric functions
Medium
4278 The value of tan⁻¹2 + tan⁻¹3 is Mathematics/Applied Mathematics
Inverse trigonometric functions
Hard
4279 How many elements does a matrix of order 2 × 3 have? Mathematics/Applied Mathematics
Matrices and their types
Easy
4280 The diagonal elements of every skew-symmetric matrix are Mathematics/Applied Mathematics
Matrices and their types
Easy
4281 How many different orders are possible for a matrix having 12 elements? Mathematics/Applied Mathematics
Matrices and their types
Medium
4282 A 2 × 2 matrix has elements aᵢⱼ = (i + 2j)²/2. What is a₂₁? Mathematics/Applied Mathematics
Matrices and their types
Medium
4283 For A = [[1, 5], [3, 2]] (rows listed), the symmetric part ½(A + Aᵀ) is Mathematics/Applied Mathematics
Matrices and their types
Hard
4284 If A is of order 2 × 3 and B is of order 3 × 4, the order of AB is Mathematics/Applied Mathematics
Algebra of matrices
Easy
4285 If A = [[1, 2], [3, 4]] and I is the 2 × 2 identity matrix, then A + 2I equals Mathematics/Applied Mathematics
Algebra of matrices
Easy
4286 If A = [[1, 2], [0, 1]], then A² equals Mathematics/Applied Mathematics
Algebra of matrices
Medium
4287 For any two square matrices A and B of the same order, which statement is always true? Mathematics/Applied Mathematics
Algebra of matrices
Medium
4288 If A = [[1, 1], [1, 1]], then A⁵ equals Mathematics/Applied Mathematics
Algebra of matrices
Hard
4289 The value of the determinant of [[2, 3], [1, 4]] is Mathematics/Applied Mathematics
Determinants
Easy
4290 If two rows of a square matrix are identical, its determinant is Mathematics/Applied Mathematics
Determinants
Easy
4291 A is a 3 × 3 matrix with |A| = 4. What is |2A|? Mathematics/Applied Mathematics
Determinants
Medium
4292 What is the area of the triangle with vertices (1, 0), (6, 0) and (4, 3)? Mathematics/Applied Mathematics
Determinants
Medium
4293 In the matrix [[1, 2, 3], [4, 5, 6], [7, 8, 10]], what is the cofactor of the element in row 1, column 2? Mathematics/Applied Mathematics
Determinants
Hard
4294 A square matrix A has an inverse if and only if Mathematics/Applied Mathematics
Adjoint and inverse of a matrix
Easy
4295 The inverse of [[2, 1], [5, 3]] is Mathematics/Applied Mathematics
Adjoint and inverse of a matrix
Easy
4296 If A is a 3 × 3 matrix with |A| = 5, then |adj A| equals Mathematics/Applied Mathematics
Adjoint and inverse of a matrix
Medium
4297 If A and B are invertible matrices of the same order, then (AB)⁻¹ equals Mathematics/Applied Mathematics
Adjoint and inverse of a matrix
Medium
4298 A = [[3, 1], [−1, 2]] satisfies A² − 5A + 7I = O. Which expression gives A⁻¹? Mathematics/Applied Mathematics
Adjoint and inverse of a matrix
Hard
4299 If |A| ≠ 0 for the system AX = B, then the system Mathematics/Applied Mathematics
Solving systems of linear equations
Easy
4300 The solution of x + y = 5 and x − y = 1 is Mathematics/Applied Mathematics
Solving systems of linear equations
Easy