# Set Theory and Algebra MCQ - Sets

1:

Let R be a non-empty relation on a collection of sets defined by ARB if and only if A  ∩ B = Ø
Then (pick the TRUE statement)

 A. R is relexive and transitive B. R is symmetric and not transitive C. R is an equivalence relation D. R is not relexive and not symmetric Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:
2:

The binary relation S =  Φ (empty set) on set A = {1, 2,3}  is

 A. neither reflexive nor symmetric B. symmetric and relexive C. transitive and relexive D. transitive and symmetric Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
3:

Which of the following sets are null sets ?

 A. {0} B. ø C. { } D. Both (b) & (c) Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
4:

Number of subsets of a set of order three is

 A. 3 B. 6 C. 8 D. 9 Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. Navdeep kaur said: (5:29am on Friday 28th April 2017) Why number of subsets of a set of order three is 8 ? Write your comments here:
5:

"n/m" means that n is a factor of m, then the relation T is

 A. relexive and symmetric B. transitive and symmetric C. relexive, transitive and symmetric D. relexive, transitive and not symmetric Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:

## Suggest an improvement

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