Five different coloured buses are standing in a row facing South. Black coloured bus is standing in the immediate right of Red. Green colour is between Blue and Yellow. Yellow colour is between Black and Green. Which coloured bus is standing in the middle?

According to question,
We can draw a figure , in which A is in the middle of B and E, D is to the right of E and left of C.
Hence ,B is to the immediate right of C.
Sitting arrangement :-

According to question,
We can draw a figure , in which Jose and Manu are sitting adjacent to Raju. Uday has Gopi and Ram as his adjacents. Gopi is not next to either Jose or Manu. Ram is not sitting next to Manu. Therefore , Only Raju is sitting adjacent to Jose .
Sitting arrangement :-

We can draw a figure ,
According to question,R is to the right of U but to the left of Q. P is to the right of Q but to the left of S.
From given figure ,it is clear that the memberQ is in the middle of row .
Sitting arrangement :-

According to question,
Draw a figure S is on the right of L, P is on the left of L but is on the right of K, S is on the left of Q.
Hence ,the first student in the row from the left is K .
Sitting arrangement :-

According to question,
Draw a figure P is on the right of Q. N is on the left of Q, but is on the right of M. P is on the left of O .
From given figure ,it is clear that O is standing on the extreme right .

According to question,
We can draw a figure , in which P is to the left of M and to the right of O. R is sitting to the right of N, but to the left of O.
From it is clear that , O is sitted in the middle.
Sitting arrangement :-

According to question,
We can draw a figure , in which M is on the right of N and P is on the left of O .
From it is clear that ,N and P are partners.
Sitting arrangement :-

According to question,
We can draw a figure , in which C is between A and E. B is just to the right of E but left of D. F is not at the right end.
From it is clear that , D is at the right end .
Sitting arrangement :-

Draw a figure on the basis of above given question ,
C is between A and E. B is just to the right of E but left of D. F is not at the right end.
As shown in figure , B and D are to the right of E.
Sitting arrangement :-

According to question,
We can draw a figure , in which D is on the left of C and B is on the right of E. A is on the right of C and B is on the left of D. If E occupies a corner postion.
As shown in figure , D is sit in the centre .
Sitting sequence :-