Six knights - P,Q,R,S,T and U - assemble for a long journey in Two traveling parties. For security, each traveling party Consists of at least two knights. The two parties travel by separate routes, northern and southern. After one month, the routes of the northern and southern groups converge for a brief time and at that point the knights can, if they wish, rearrange their traveling parties before continuing, again in two parties along separate northern and southern routes. Throughout the entire trip, the composition of traveling parties must be in accord with the following conditions P and R are deadly enemies and, although they may meet briefly, can never travel together. p must travel in the same party with s Q can’t travel by the southern route U can’t change routes

• 1)If one of the two parties of knights consists of P and U and two other knights and travels by the southern route,the other
  members of this party besides P and U must be
  a) Q and S
  b) Q and T
  c) R and S
  d) R and T
  e) S and T
  2)If each of the two parties of knights consists of exactly three members, which of the following is not a possible travelling party
  and route?
  a) P,S,U by the northern route
  b) P,S,T by the northern route
  c) P,S,T by the southern route
  d) P,S,U by the southern route
  e) Q,R,T by the southern route
  3)If one of the two parties of knights consists of U and two other knights and travels by the northern route, the other memnbers of
  this party besides U must be
  a) P and S
  b) P and T
  c) Q and R
  d) Q and T
  e) R and T
  4)If each of the two parties of knights consists of exactly three members of different parties, and R travels by the northern
  route,then T must travel by the
  a) southern route with P and S
  b) southern route with Q and R
  c) southern route with R and U
  d) northern route with Q and R
  e) northern route with R and U
  5)If, when the two parties of knights encounter one another after a month, exactly one knight changes from one travelling party to
  the other travelling party, that knight must be
  a) P
  b) Q
  c) R
  d) S
  e) T
• 9 years agoHelpfull: Yes(1) No(0)
• **ANSWERS:**
  
  entire journey , U be in single side either north or south
  P and R mus be opposte and Q cannot be on south and P ans S must be
  in same side at this state 2 possbilites
  those are
  i) ii)
  north:P,S,Q (or) north:R,Q
  south:R south:P,S
  ANSWERS OF EACH QUESTION:
  
  1)south:P,U ,S north:R,Q
  
  Q can not be in north so options A or B not possible
  simalarly R and P cannot be on same side so options C or D not possible
  
  so ans is option E
  
  2)here we have to find which is not possible ,,,
  clearly Q can not go south and only 3 members on each side
  
  so ans is option E
  3)north:U,?,?
  we know q always on north side so
  north:U,Q
  
  so Q must be member beside u so
  
  options C and D both can be answers
  
  4)exacty 3 members on each direction and R travels north
  so ,
  north:R
  Q can not go on south direction ..so,
  north:R,Q
  south:p,S
  
  so t can tavel with both groups so
  ans either option A and D
  5) only one member can change journey
  if P go s will come with P ...not possible
  if P changes ... R has to change so not possible
  so ans is option E
• 9 years agoHelpfull: Yes(0) No(0)
• @vishnupriya in 3 question answer is c only and cant be d becasue that means p and r are on same party,which is not possible!
• 7 years agoHelpfull: Yes(0) No(0)