Q.1
If P X Q is an empty set then which of the following is a null set?
  • a) only P
  • b) only Q
  • c) either P or Q
  • d) both P and Q
Q.2
If (a, b) = (x, y) then___________
  • a) a=x
  • b) a=y
  • c) a=y and b=x
  • d) a=x and b=y
Q.3
If set P has 4 elements and set Q has 5 elements then find the number of elements in P X Q.
  • a) 9
  • b) 45
  • c) 20
  • d) 54
Q.4
If (x+y-= (5,then find values of x and y.
  • a) x=3 and y=10
  • b) x=3 and y=4
  • c) x=7 and y=4
  • d) x=7 and y=10
Q.5
Is (a, b) = (b, a)?
  • a) True
  • b) False
Q.6
If P X Q haselements then which is not possible?
  • a) n(P)=1 and n(Q)=10
  • b) n(P)=10 and n(Q)=1
  • c) n(P)=2 and n(Q)=5
  • d) n(P)=5 and n(Q)=4
Q.7
If P = Q then P X Q = Q X P is true or not?
  • a) True
  • b) False
Q.8
If A X B = {(a), (b), (c), (a), (b), (c)} then find set A.
  • a) {1}
  • b) {1, 2}
  • c) {1, a}
  • d) {a, b, c}
Q.9
If A X B = {(a), (b), (c), (a), (b), (c)} then find set B.
  • a) {1}
  • b) {1, 2}
  • c) {1, a}
  • d) {a, b, c}
Q.10
If set A has 2 elements and set B has 3 elements then how many subsets does A X B have?
  • a) 6
  • b) 8
  • c) 32
  • d) 64
0 h : 0 m : 1 s