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Friday, 9 October

JEE Main Maths · Relations and Functions

Counting Relations

Counting Relations (Relations and Functions) was asked 7 times in 7 JEE Main shifts, 2023–2026, out of the 42 shifts Lumi analysed. 4 of the 7 had a numerical answer.

Times asked
7
in 7 shifts
Years
2023–2026
Usual format
Numerical value
Calculation
Pattern
Comes in cycles
repeats across shifts

How it is asked

  • Count elements of relation
  • Statement i/ii on a relation

Difficulty

Easy 0Medium 6Hard 1

Where it sits

Chapter: Relations and Functions. Topic: Sets and Relations, 25 questions over 10 ideas.

Other repeat ideas in this topic

Every time it came

All 7 questions

Newest first, each with its options and official answer.

  1. 8 Apr 2026, Shift 2 · Q1Consider the relation R on the set {−2,−1,0,1,2}\{-2, -1, 0, 1, 2\} defined by (a,b)∈R(a, b) \in R if and only if 1+ab>01 + ab > 0. Then, among the statements…MediumOther
  2. 3 Apr 2025, Shift 1 · Q1Let A={−3,−2,−1,0,1,2,3}A = \{-3, -2, -1, 0, 1, 2, 3\}. Let R be a relation on A defined by xRyx\mathrm{R}y if and only if 0≤x2+2y≤40 \le x^2 + 2y \le 4. Let ll be…MediumSingle correct
  3. 7 Apr 2025, Shift 1 · Q24The number of relations on the set A={1,2,3}A = \{1, 2, 3\}, containing at most 6 elements including (1,2)(1, 2), which are reflexive and transitive…HardNumerical value
  4. 6 Apr 2024, Shift 2 · Q2Let A={1,2,3,4,5}A=\{1,2,3,4,5\}. Let RR be a relation on AA defined by xRyxRy if and only if 4x≤5y4x\le 5y. Let mm be the number of elements in RR…MediumSingle correct
  5. 9 Apr 2024, Shift 1 · Q21Let A={2,3,6,7}A=\{2,3,6,7\} and B={4,5,6,8}B=\{4,5,6,8\}. Let R be a relation defined on A×BA\times B by (a1,b1) R (a2,b2)(a_1,b_1)\,R\,(a_2,b_2) if and only if…MediumNumerical value
  6. 30 Jan 2024, Shift 2 · Q21The number of symmetric relations defined on the set {1,2,3,4}\{1, 2, 3, 4\} which are not reflexive is ________.MediumNumerical value
  7. 6 Apr 2023, Shift 1 · Q21Let A={1,2,3,4,…,10}A=\{1,2,3,4,\ldots,10\} and B={0,1,2,3,4}B=\{0,1,2,3,4\}. The number of elements in the relation…MediumNumerical value