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Class 12 Mathematics — Chapter 1: Relations and Functions
66 practice questions · 22 Easy · 22 Medium · 22 Hard
Free NCERT-aligned multiple-choice practice for Class 12 Mathematics, Chapter 1 (Relations and Functions). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 66.
Sample questions
Q1Easy
Relation R = {(a,a) : a ∈ A} is:
A.Reflexive✓ correct
B.Symmetric only
C.Transitive only
D.Empty
Why
Each element related to itself.
Q2Medium
Equivalence relation needs:
A.Reflexive, symmetric, transitive✓ correct
B.Only reflexive
C.Antisymmetric
D.Only transitive
Why
All three properties.
Q3Hard
f has an inverse iff it is:
A.Bijective✓ correct
B.Onto only
C.One-one only
D.Constant
Why
Both injective and surjective.
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