Question

Which of the following is a true biconditional statement?
A. My house is north of the border if and only if the border is south of
my house.
B. An athlete wins a medal if and only if the athlete comes in first
place.
O
C. You will not be admitted if and only if you do not arrive on time.
O
D. It is raining if and only if you carry an umbrella.

Answer 1

The answer is A. Think about the position of ur house. It automatically is north of the border if the border is to the south