Next element in the series:
-5 1 -11 23 29 17 -20 -14 ?

• -5+6=-1
  -5-6=-11
  23+6=29
  23-6=17
  -20+6=-14
  -2--6=-26 is last term
• 7 years agoHelpfull: Yes(27) No(3)
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• 7 years agoHelpfull: Yes(17) No(0)
• Take 3 numbers as a set. -5,1,-11 and 23,29,17 and so on.. first add +6 and subtract -12.
  -5 + 6=1
  1-12=-11
  so answer is -14-12=-26.
• 7 years agoHelpfull: Yes(9) No(3)
• -5, 1, -11, 23, 29, 17, -20, -14,........
  Ans -26
  (-11+1)/2=-5
  (17+29)/2=23
  (x+(-14)/=-20
  x= -26
• 7 years agoHelpfull: Yes(2) No(0)
• -26
  +6,-12,+6,-12....
• 7 years agoHelpfull: Yes(1) No(1)
• -5*2 = -10-1=-11
  23*2=46-29=17
  -20*2=-40-(-14)=-26ans
• 7 years agoHelpfull: Yes(0) No(0)
• answer is -26. See alternatively (-5-6=-11); (23-6=17); (-20-6=-26).
• 7 years agoHelpfull: Yes(0) No(0)
• -5+6=1;1-12=-11;-11+34=23;23+6=29;29-12=17;17-37=-20;-20+6=-14;-14-12=-26
• 7 years agoHelpfull: Yes(0) No(3)
• Add +6 then -12
  Ans = -26
• 6 years agoHelpfull: Yes(0) No(0)