Mathematics – Class 11 Practice Test 2

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

2. In the given Venn diagram, find A∪B.

3. If P X Q is an empty set then which of the following is a null set?

4. Which of the following is set representing neither A nor B?

5. If A is set of natural numbers, B is set of odd natural numbers and C is set of even natural numbers, then find B∩C.

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

7. If X = {1,2} then P(X) = {φ, {1}, {2}, {1,2}}.

8. If set A={Φ} then P(A) is ___________

9. If R is the set of real numbers and S is the set of rational numbers, then what is R – S?

10. In a family of 10 members, 7 of them like tea or coffee, 4 of them like tea and 5 of them like coffee. How many of them like both tea and coffee?