Six boys A, B, C, D, E, and F are sitting in a straight row facing north (not necessarily in the same order). B sits second to the right of D. A sits fourth to the left of F. F is not sitting on the extreme ends of the row. C sits second to the right of B. Who sits second to the right of A?

E

Answer: E

In this question you need to first place F at the second place from right because it cannot be at the end, now place A to the forth right place of F. Now place D, B and C