six swimmers A,B,C,D,E,F compete in a race . The outcome is as follows.
1) B does not win.
2)Only two swimmers seperate E &D.
3) B is ahead of E,with one swimmer intervening.
4)A is behind D&E
5)F is ahead of D.
how many swimmers seperate A and F?

• 4.
  
  sequence is F..D...B..C..E..A
• 14 years agoHelpfull: Yes(7) No(3)
• 4
• 14 years agoHelpfull: Yes(5) No(0)
• 4 people
  AEB_DF
• 9 years agoHelpfull: Yes(4) No(1)
• 4
  A E C B D F
• 9 years agoHelpfull: Yes(3) No(2)