Sitting Arrangement

                               Arrange people in order

1. Eleven Students A, B, C, D, E, F, G, H, I, J and K are sitting in the first row of the class facing 1. teacher,

2. D who is the immediate left of F is sitting to the right of C.

3. A is second to the right of E, who is at one of the end.

4. J is immediate neighbour of A and B and third to the left of G

5. H is to the immediate left of D and third to the left of I,

If E and D, C and B, A and H, K and F interchange their positions which of the following pair of students sitting at the ends??

1) D and E            2) E and F                      3) D and K                    4) K and F    

Answer::Option C

The original arrangement was