0.8,1.8,3.6,3.6,4.6,9.2,9.2,10.2

• Ans=20.4
  0.8+1=1.8
  1.8*2=3.6
  3.6+1=4.6
  4.6*2=9.2
  9.2+1=10.2
  10.2*2=20.4
  
• 12 years agoHelpfull: Yes(47) No(1)
• sequence repeat with addition of 1 and multiplication of 2
  .8+1=1.8
  1.8*2=3.6
  same num 3.6 and it continuous
  Ans:10.2*2=20.4
• 12 years agoHelpfull: Yes(7) No(0)
• take three digits one set and add one to fist digit in every set and sum of first and second is third digit.
  .ie 1st add 2nd 3rd
  0.8+ 1 +1.8=3.6
  3.6+ 1 +4.6=9.2
  9.2+ 1 +10.2=20.4
• 12 years agoHelpfull: Yes(3) No(0)
• 0.8+1=1.8
  1.8+1.8=3.6,
  3.6+1=4.6
  4.6+4.6=9.2
  9.2+1=10.2
  10.2+10.2=20.4(ANS)
• 12 years agoHelpfull: Yes(2) No(0)
• 
  +10,*2,*1,+10,*2,*1....
  
  20.4
  
• 12 years agoHelpfull: Yes(1) No(0)
• 1st term+1, 2nd term*2, 3rd term*1
• 9 years agoHelpfull: Yes(0) No(0)
• no+10 and *2 ans20.4
• 9 years agoHelpfull: Yes(0) No(0)
• 0.8+1=1.8
  1.8*2=3.6
  3.6+1=4.6
  4.6*2=9.2
  9.2+1=10.2
  10.2*2=20.4
• 8 years agoHelpfull: Yes(0) No(0)
• 20.4
  10.2*2
• 8 years agoHelpfull: Yes(0) No(0)
• 10.2*2=20.4
• 7 years agoHelpfull: Yes(0) No(0)