This question was asked in Example 35
  • An organisation conducted bike race under two different categories - Boys and girls. There were 28 participants in all. Among all of them, finally three from category 1 and two from category 2 were selected for the final race. Ravi forms two sets B and G with these participants for his college project. 
  • Let B={b¹,b²,b³}and G={g¹,g²}, where B represents the set of Boys selected and G the set of Girls selected for the final race.
  • Based on above information, answer the following questions. 
  1. How many relations are possible from B to G?
  2. Among all the possible relations from B to G, how many functions can be formed from B to G?
  3. Let R: B→B be defined by R={x,y} : x and y are students of the same sex}. Check if R is an equivalence relation.
Abhay JeetSingh's image
Abhay JeetSingh
March 7, 2025, 3:38 p.m.