Five friends, B, R, S, V and A, are sitting in a row facing north. B is sitting between V and S. R is second to the left of S. Who is sitting at the right end?

Five friends, B, R, S, V and A, are sitting in a row facing north.  R is second to the left of S. There will be three cases: ____   _____   R____  S......... (I) ____   R_____   S_____  ......... (II) R _____   S____  _____  ......... (III) B is sitting between V and S. Case 1 and 2 will get discarded as we cannot place B and V. ____   _____   R____  S......... (I) ____   R_____    S_____  ......... (II) R  A   S  V  B ......... (III) Final arrangement as shown below: R             A             S              B             V