1,5,13,25,__, __

• 41, 61
  
  Final series : 1,5,13,25,41,61
  
  Series increased by
  1
  1 + (4*1) = 1 +4 =5
  5 + (4*2) = 5 +8 =13
  13+ (4*3) = 13+12=25
  25+ (4*4) = 25+16=41
  41+ (4*5) = 41+20=61
• 12 years agoHelpfull: Yes(1) No(1)
• 5-1=4
  13-5=8
  25-13=12
  so the answers are 41,61
• 12 years agoHelpfull: Yes(1) No(0)