Answer
(a) False
(b) False
Work Step by Step
P is a true statement while Q and R are false statements.
(a) (P and Q)
This is a false statement since Q is a false statement
(P and Q) or R
This is a false statement since (P and Q) is a false statement and R is a false statement
(b) (P or Q)
This is a true statement since P is a true statement
(P or Q) and R
This is a false statement since R is a false statement
