1 
A subset of A x A is called.................. in A. 
 A. Set
 B. Relation
 C. Function
 D. Info function.

2 
O∩ E = .................... 

3 
The Range of R<div>={(1,3),(2,2),(3,1)(4,4)} is.</div> 
 A. {1,2,4}
 B. {3,2,4}
 C. {1,2,3,4}
 D. {1,3,4}

4 
If A and B are disjoint sets then AUB is equal to: 

5 
The number of elements in power set {1,2,3}: 

6 
(A⋃B)⋃C = ________ 
 A. A ⋂ (B⋃C)
 B. (A⋃B)⋂C
 C. A⋃ (B⋃C)
 D. A⋂(B⋂C)

7 
Power set of an empty set is: 

8 
The relation {(1,2),(2,3),(3,3)(3,4)} is. 
 A. Onto function
 B. Into function
 C. Not a function
 D. OneOne function.

9 
A set containing no element is called. 
 A. subset
 B. Empty set
 C. Singleton set
 D. Super set

10 
The domain of {(a,b),(b,c),(c,d)} is............ 
 A. {a,b,c}
 B. {b,c,d}
 C. {a,b}
 D. {a,b,c,d}
