**1. The cardinality of the set A = {1, 2, 3, 4, 6} is?a) 5**b) 6

c) Integer

d) None of the mentioned

Explanation: 5, it is a number of elements in the sets.

**2. For two equal sets there ___________a) Cardinality is same**b) Cardinality is different

c) May be same or different

d) None of the mentioned

**3. If A is a subset of B then _______**a) The cardinality of A is greater than B

**b) The cardinality of B is greater than A**

c) Can’t say

d) None of the mentioned

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**4. If there is a bijection between two sets A and B then _______**

a) Cardinality of A is greater than B

b) Cardinality of B is greater than A**c) Cardinality of B is equal to A**d) None of the mentioned

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**5. Let a set E ={0,2,4,6,8….} of non-negative even numbers and O = {1, 3, 5, 7, 9,…..} of non-negative odd numbers then?**a) Cardinality of set E is greater than that of O

b) Cardinality of set O is greater than that of E

**c) Cardinality of set E is equal to that of O**

d) None of the mentioned

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**6. Cardinality of the set of lower letter english alphabets is 26.a) True**

b) False

Explanation: From a, b, c…z there will be 26 elements.

**7. Cardinality of the set of even prime number under 10 is 4.**a) True

**b) False**

Explanation: Since 2 is only even prime thus cardinality should be 1.

**8. If for sets A and B there exists an injective function but not bijective function from A to B then?**a) Cardinality of A is strictly greater than B

**b) Cardinality of B is strictly greater than A**

c) Cardinality of B is equal to A

d) None of the mentioned

**9. If cardinality of (A U B) = cardinality of A+ cardinality of B. This means ____________**a) A is a subset of B

b) B is a subset of A

**c) A and B are disjoint**

d) None of the mentioned

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**10. If A is a subset of B and B is a subset of C, then cardinality of A U B U C is equal to ____________a) Cardinality of C**b) Cardinality of B

c) Cardinality of A

d) None of the mentioned