only D. 2 and 3 only E. 1,2 and 3
33.If P={a,b} and Q={x,y} , then PxQ=……….
A. {(a,x),(b,y)} B. {(a,x),(a,y)} C. {(a,x),(a,y),(b,x),(b,y)}
D.{(x,a),(x,b),(y,a),(y,b)} E.{(x,a),(y,b)}
- Given that BxA={(2,1),(2,2),(x,1),(x,2)}.Then AxA=……….
A. {1,2} B.{(2,2),(2,x),(x,2),(x,x)} C.{(1,2),(2,1)}
D. {(1,1),(1,2),(2,1),(2,2)} E. {(1,1),(2,2),(x,x)} - If W={x,y} ,which of the following is falsfe?
A.(x,x) ∈WxW B. {(x,y)}⊂ WxW C.(x,y)⊂ WxW D. (y,y) ∈WxW E.{(y,y)}⊂WxW
36.If n(AxB)=24 and n(BxB)=36 ,then the largest possible value of n(AB) is……
A.6 B. 4 C.2 D.10 E.12
37.The shaded region of the diagram represents the subset
A. P∩Q∩R B. P´∩Q∩R´ C. P∪Q∪R D. P´∩Q´∩R´ E. (P∪Q)∩R´
- The shaded region of the diagram represents the subset
A. P∩Q∩R B. P´∩Q∩R´ C. P∪Q∪R D. P´∩Q´∩R´ E. (P∪Q)∩R´
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