1. What is the truth value of it's contrapositive if the hypothesis is true and the conclusion is false
A. True
B. False
C. Undefined
D. Necessarily true
2. which among pairs of statements are logically equivalent?
A. if then if a shape is a creek is a quadrilateral then it is a polygon converse if a shape is a polygon then it is a quadrilateral
B. if then if a shape is a quadrilateral then it is a polygon and worse if a shape is not a quadrilateral then it is not a polygon
C. if then if a shape is a quadrilateral then it is a polygon contrapositive if a shape is not a polygon then it is not a quadrilateral
D.inverse if a shape is not a quadrilateral then it is not a polygon contrapositive if a shape is not a polygon then it is not a quadrilateral
3.which of the following is equivalent of the statement if am i wearing a face mask then i am safe from covid-19
A. if i am not wearing a face mask then i am safe from covid-19
B. if i am not safe from covid-19 then i am wearing a face mask
C. if i am not safe from covid-19 then i am not wearing a face mask
D. if i am not wearing a face mask then i am not safe from covid-19.
4. what is the truth value of its converse if the hypothesis is false and the conclusion is true
A. true
B.false
C. Undefined
D. Necessarily true
5. given a converse statement if an animal barks then it is a dog what is it equivalent is statement
A. if an animal is a dog then it barks
B.if an animal does not bark then it is not a dog
C. if an animal barks then it is a dog
D. if an animal is not a dog didn't eat does not bark ​