30.5,31,30.0,67,?

• 30.5,31(.5 increased),30 (1 decreased) then this process same reapt 67.5
• 12 years agoHelpfull: Yes(3) No(7)
• 30.5,30.0 is 1 descending order series and 31+6^2=67 and so on..next 7^2,8^2....
  30.5,31,30.0,67,29.5,(67+49)....
  
• 12 years agoHelpfull: Yes(3) No(4)
• 30.5,31(0.5 incresed),30.0(1 decresed),67,if it follow same sequence
  ANS:67.5
• 12 years agoHelpfull: Yes(1) No(6)