Eleven students A, B, C, D, E, F, G ,H, I, J and K are sitting in a row of the class facing the teacher.
- D, who is to the immediate left of F, is second to the right of C.
- A, is second to the right of E, who is at one of the ends.
- J is the immediate neighbor of A and B and third to the left of G.
- H is to the immediate left of D and third to the right of I.
If E and D, C and B, A and H and K and F interchange their position, which of the following pair of students is sitting at the end?
D and E.
E and F.
D and K.
K and F.
Original Positions from left to right are: E-K-A-J-B-I-G-C-H-D-F.
After interchange: D-F-H-J-C-I-G-B-A-E-K.
D and K will be sitting at the two ends if the positions as given in the question are interchanged.