Q. 20 Let U = {1, 2, …,n} and A = {(x, X)∣ x∈X, X⊆U }. Consider the following two statements on ∣A∣.
Which of the above statements is/are TRUE?
(A) Only I
(B) Only II
(C) Both I and II
(D) Neither I nor II
Answer: (C)
Explanation:
Q. 20 Let U = {1, 2, …,n} and A = {(x, X)∣ x∈X, X⊆U }. Consider the following two statements on ∣A∣.
Which of the above statements is/are TRUE?
(A) Only I
(B) Only II
(C) Both I and II
(D) Neither I nor II
Answer: (C)
Explanation: