Mathematics – Class 11 Practice Test 2

1. Let U = {1, 2, 3, 4, 5, 6}, A = {1,4} and B = {2,3,5}. Then A’∩B’ is equal to (A∪B)’.

2. If 200 people like tea, 300 people like coffee and 250 people like both. Is the data correct?

3. Which of the following is universal set for {a, p}?

4. Which of the following is not equal to set A?

5. If set X = {2,3,5,7}, then n[P(X)] is _____________

6. If set A has 10 elements, set B has 20 elements, 5 elements are common to both then find the number of elements in X∪Y.

7. If A is set of equilateral triangles then A’ is ________

8. Which of the following is not the element of power set of {2,3}?

9. How many elements are there in P(A), if A = φ?

10. Let U = {1, 2, 3, 4, 5, 6}, A = {1,4} and B = {2,3,5}. Find B’.