33,8,4,46,21,?

• 17
  
  (33 , 8 , 4) , (46 , 21 , x)
  
  33 + 13 = 46
  8 + 13 = 21
  4 + 13 = x
  => x = 17
• 11 years agoHelpfull: Yes(110) No(0)
• take pairs of 3 ...(33 , 8 , 4) and (46 , ,21 , x)
  now 33-8 = 25
  8-4 = 4
  46-21 = 25
  21-x = 4 so ans will be 17
• 6 years agoHelpfull: Yes(2) No(0)