There are five different houses, A to E, in a row. A is to the right of B and E is to the left of C and right of A. D is to the right of C. Which of the houses is in the middle?

E

 A is to the right of B and E is to the left of C and right of A.

∴ B  A  E  C 

D is to the right of C.

∴ The above arrangement is the only possibility.