14，16.5，28.5，36，45

• 49.5
  
  Add Sum of digits/2 and Sum of digits of a number alternatively to get next number.
  14+(1+4)/2=16.5
  16.5+(1+6+5)=28.5
  28.5+(2+8+5)/2=36
  36+(3+6)=45
  45+(4+5)/2=49.5
• 9 years agoHelpfull: Yes(3) No(0)
• 57.5
  the diffrence is following the pattern of +5 and then -5
• 9 years agoHelpfull: Yes(0) No(0)