1. If X = { 4ⁿ – 3n – 1/n ∈ N}, Y = {9(n – 1 )/n ∈ N}, then

2. Let A = {0, 1, 3, 4}, B = {5, 6, 1, 3, 9} and C = {1, 2, 3, 4, 9, 13}, then (A ⋂ B) U C is-

3. Let A = {1, 2, 3,…9), B = (2, 4, 6, 7, 8) and C = (3, 4, 5, 8, 9, 10), then (A – B) U C is

4. X = {1, 2, 3}, Y = {3, 4, 5, 6}. (X – Y) U (Y – X) is

5. De ‘Morgan’s law is

6. If n (A) = m and n (B) = p and A ⋂ B = ⏀ then n (A U B) is

7. If A = (-1, 0, 1). B = (-1, 0) and C = {0, 1). then-

1. (A × B) ⋂ (A × C) = {(-1, 0), (0, 0), (1, 0)}
2. (A × B) U (A × C) = {(-1, -1), (-1, 0), (-1, 1), (0, -1), (0, 0), (0, 1). (1, -1), (1, 0), (1, 1)}
3. (A ⋂ C) × B = {(0, -1), (0, 0), (1, -1)

Of these statements

8. The shaded region in the diagram given below represents

9. The shaded region in the diagram given below represents

10. If 57% of Indian like milk and 75% like tea, how many like both ?