Question

How many people live between the floors on which A and D live?

• A. Three
• B. More than three
• C. None
• D. Two
• E. One

Answer 1

The correct option is D Two

According to given information in questions, we get the following of floor and people:
$\begin{array}{cc}Floor& People\\ 8& D\\ 7& C\\ 6& F\\ 5& A\\ 4& B\\ 3& G\\ 2& E\\ 1& H\end{array}$
From the arrangement, two people live between the floors on which A and D live. (i.e. C, F).