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Select ALL the correct answers. 1 ) Which of the following are NOT prepositions? a ) Greenville is in NC . b ) Greenville is

Select ALL the correct answers.
1) Which of the following are NOT prepositions?
a) Greenville is in NC.
b) Greenville is the capitol of NC.
c)1+0=1
d) x +0=2
e) Sit down!
f) What is your name?
2) Which of the following is true if the conditional statement P Q is true?
a) The converse is Q P, and it is true
b) The inverse is P ->Q, and it is true
c) The contrapositive is Q ->P, and it is true
d) All the above statements are true
3) Consider the following prepositions
P: Sam is a CS graduate
Q: Mary is a CS graduate
R: Demi is a CS graduate
A: Sam studied Data Structure
B: Mary studied Data Structure
C: Demi studied Data Structure.
Suppose the implications P A, Q B, R C and the prepositions Q, C, and A are all true.
Which of the following is true?
a) Mary did not study Data Structures (B is true)
b) Demi studied Data Structure, therefore, Demi is a CS graduate (R is true)
c) Sam is not a CS graduate (P is true).
d) All the above are true.

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