Mathbee CBSE Mathbee · CBSE Class 12 Maths
CBSE Class 12 Mathematics 2026 Main Paper 65/5/3 · Q191 Marksequivalence_relations

CBSE Class 12 Mathematics 2026 Main Paper 65/5/3 · Question 19 (Relations And Functions)

Assertion: R={(1,1),(1,2),(2,1),(2,2),(3,3)} is an equivalence relation on {1,2,3}. Reason: A reflexive, symmetric and transitive relation is an equivalence relation.

✅ Step-by-Step Solution

Final Answer: Both true, and the reason explains the assertion.
  1. R means membership of the same block of {1,2} and {3}; it has all three properties named in the reason.

Master Chapter 1: Relations And Functions

Practise interactive questions, flashcards, visual mind maps, and timed board tests for Relations And Functions.
📘 Chapter Notes & All Exercises 🚀 Open in Interactive Workspace →
← Previous Question
Find the absolute minimum of (x−2)²+5 on [−3,2].
Next Question →
Assertion: Minimizing Z=x+2y with 2x+y≥3, x+2y≥6, x,y≥0 has…

All Questions in CBSE Class 12 Mathematics 2026 Main Paper 65/5/3

Q1Q2Q3Q4Q5Q6Q7Q8Q9Q10Q11Q12Q13Q14Q15Q16Q17Q18Q19Q20Q21Q22Q23Q24Q25Q26Q27Q28Q29Q30Q31Q32Q33Q34Q35Q36Q37Q38

Related Questions in Relations And Functions

Class 12 Relations And Functions · Mcq Single Correct
Given the relation \(R=\{(1,2),(2,3)\}\) on the set \(A=\{1,2,3\}\), the minimum number of…
Class 12 Relations And Functions · Mcq Single Correct
The function \(f:\mathbb{R}\to\mathbb{R}\) defined by \(f(x)=e^x\) is
Class 12 Relations And Functions · Mcq Single Correct
If \(f:\mathbb{R}\to\mathbb{R}\)…
Class 12 Relations And Functions · Mcq Single Correct
If \(f:\mathbb{R}\to S\), defined by \(f(x)=\sin x-\sqrt{3}\cos x+1\), is onto, then the…
Class 12 Relations And Functions · Mcq Single Correct
Let \(A=\{1,2,3\}\) and \(B=\{a,b,c\}\). Then the number of bijective functions from \(A\) to…
Class 12 Relations And Functions · Mcq Single Correct
Let \(A\) and \(B\) be two finite sets having \(m\) and \(n\) elements respectively. Then the…