Verified Solution • 2025–26 Session moderate

QJEEM24Madfde: JEE Main 2024 Mathematics - Class 11 JEEM24Madfde Solution: If R is the smallest equivalence relation on the set { 1 , 2 ,…

If R is the smallest equivalence relation on the set {1,2,3,4} such that {(1,2),(1,3)}⊂R, then the number of elements in R is __________.

Multiple Choice Options

  • A 15
  • B 10
  • C 12
  • D 8

Step-by-Step Verified Solution

Given set {1,2,3,4}

Minimum order pairs are

(1,1),(2,2),(3,3),(4,4),(3,1),(2,1),(2,3),(3,2),(1,3),(1,2)

Thus no. of elements =10

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