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#QuestionSubject and topicDifficulty
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