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Class 11 Mathematics — Chapter 2: Relations and Functions
66 practice questions · 22 Easy · 22 Medium · 22 Hard
Free NCERT-aligned multiple-choice practice for Class 11 Mathematics, Chapter 2 (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
Domain of f(x) = √x:
A.x ≥ 0✓ correct
B.all real x
C.x > 0
D.x ≤ 0
Why
Square root real for non-negative input.
Q2Medium
If f(x)=x+1, g(x)=2x, then (f∘g)(3) =
A.7✓ correct
B.6
C.5
D.8
Why
f(g(3))=f(6)=7.
Q3Hard
f(x) = x³ on R is:
A.One-one and onto✓ correct
B.Many-one
C.Constant
D.Not a function
Why
Strictly increasing, range is R.
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