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301 questions found · practise this subject as a set Show 20 · 50 per page
#QuestionSubject and topicDifficulty
1 What is the derivative of x² at x = 3? Mathematics/Applied Mathematics
Second-order derivatives
Easy
2 ∫ 2x dx is equal to: Mathematics/Applied Mathematics
Indefinite integrals
Easy
3 Two fair dice are thrown. What is the probability that the sum is 7? Mathematics/Applied Mathematics
Conditional probability
Medium
4 What is the value of the determinant of the matrix [[2, 3], [1, 4]]? Mathematics/Applied Mathematics
Determinants
Easy
5 If f(x) = 2x + 3, what is f⁻¹(7)? Mathematics/Applied Mathematics
Types of functions
Medium
6 How many elements are in the power set of a set with 3 elements? Mathematics/Applied Mathematics
Types of relations
Easy
7 On A = {1, 2, 3}, the relation R = {(1, 1), (2, 2), (3, 3), (1, 2)} is Mathematics/Applied Mathematics
Types of relations
Easy
8 How many relations can be defined on a set with 2 elements? Mathematics/Applied Mathematics
Types of relations
Easy
9 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
10 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
11 How many equivalence relations on {1, 2, 3} contain the pair (1, 2)? Mathematics/Applied Mathematics
Types of relations
Hard
12 The function f : R → R given by f(x) = 2x + 3 is Mathematics/Applied Mathematics
Types of functions
Easy
13 The function f : R → R defined by f(x) = x² is Mathematics/Applied Mathematics
Types of functions
Easy
14 If f : R → R is defined by f(x) = 3x − 2, then f⁻¹(x) equals Mathematics/Applied Mathematics
Types of functions
Medium
15 If f(x) = x² and g(x) = x + 1, what is (fog)(2) − (gof)(2)? Mathematics/Applied Mathematics
Types of functions
Medium
16 How many one-one functions are there from {1, 2, 3} to {a, b, c, d}? Mathematics/Applied Mathematics
Types of functions
Hard
17 The principal value of sin⁻¹(−½) is Mathematics/Applied Mathematics
Inverse trigonometric functions
Easy
18 The range of the principal value branch of cos⁻¹x is Mathematics/Applied Mathematics
Inverse trigonometric functions
Easy
19 The value of cos⁻¹(cos 7π/6) is Mathematics/Applied Mathematics
Inverse trigonometric functions
Medium
20 The value of tan⁻¹(1) + cos⁻¹(−½) + sin⁻¹(−½) is Mathematics/Applied Mathematics
Inverse trigonometric functions
Medium