10=5
20=10
30=15
80=?

• Answer 40
  
  every right digit id half of the left one
• 11 years agoHelpfull: Yes(8) No(2)
• In this puzzle, the numbers on the right side is got by dividing the number on left side by 2. So the answer is 40
• 11 years agoHelpfull: Yes(8) No(3)
• Answer=40
  right hand side values are half of left hand side..
  so 80=40 and checking from 40 onwards the right hand side values are increasing by 5.so answer will be 40
• 11 years agoHelpfull: Yes(7) No(4)
• seriously dude u asking this...........
• 9 years agoHelpfull: Yes(7) No(2)
• multiply by 2 so 40*2=80
• 10 years agoHelpfull: Yes(6) No(2)
• 10%2=5
  20%2=10
  30%2=15
  80%2=40
• 11 years agoHelpfull: Yes(5) No(4)
• 80=40, half of the right side number
• 9 years agoHelpfull: Yes(4) No(3)
• 5*2=10;
  10*2=20;
  15*2=30;
  ...
  40*2=80;
  answer 40.
• 10 years agoHelpfull: Yes(3) No(4)
• 10/2=5
  20/2=10
  30/2=15
  80/2=40
• 9 years agoHelpfull: Yes(3) No(4)
• 10/2=5
  20/2=10
  30/2=15
  So 80/2=40.Hence,40 is the answer
• 9 years agoHelpfull: Yes(0) No(0)
• 10/2=5
  20/2=10
  30/2=15
  so the same way 80/2=40
  ans=40.
• 8 years agoHelpfull: Yes(0) No(0)