16,33,65,131,261, ?

• 16*2+1=33
  33*2-1=65
  65*2+1=131
  131*2-1=261
  261*2+1=523
• 11 years agoHelpfull: Yes(6) No(0)
• 16, 33(16*2 +1), 65(33*2 -1), 131(65*2 +1), 261(131*2 -1), 523(261*2 +1).......
• 11 years agoHelpfull: Yes(1) No(0)
• it followas 2n+1,2n-1..
  so the answer is 523
• 11 years agoHelpfull: Yes(1) No(0)
• correct ans=261*2+1=523
• 11 years agoHelpfull: Yes(1) No(0)
• 16*2=32; 32+1=33
  
  33*2=66; 66-1=65
  
  65*2=130; 130+1=131
  
  131*2=262; 262-1=261
  
  261*2=524; 524+1=525
  
  so answer is 525
• 10 years agoHelpfull: Yes(0) No(0)