56 89 33 21 57 88 35 19 60 85 39 15

• (56,57,60,x)(89,88,85,x)(33,35,39,x)(21,19,15,x)
  so ans is 65
• 11 years agoHelpfull: Yes(13) No(1)
• 56+1=57
  57+3=60
  60+5=65....ans
• 11 years agoHelpfull: Yes(10) No(0)
• 56 89 33 21
  
  57 88 35 19
  
  60 85 39 15
  
  ..>65
• 11 years agoHelpfull: Yes(2) No(1)
• The Series Is (56,89,33,21)
  (57,88,35,19)
  (60,85,39,15)
  the series is increasing in 1 1 2 2 3 3 4 4 5 5 6 6
  So ans is 65,90,45,9
• 10 years agoHelpfull: Yes(2) No(0)
• (56,89,33,21)(57,88,35,19)(60,85,39,15).......so ans is 65,80,45,9
  here we see dat odd nmbr increasing and decreasing ,even nmbr increasing and decreasing
• 9 years agoHelpfull: Yes(1) No(0)