1 3 1 2.5 5 1.4 5 4 8 7

• the correct series is 1 3 1 2.5 5 1 4 5 4 8 7
  1+3+1=5 5/2=2.5
  5+1+4=10 10/2=5
  4+8+7=19 19/2=9.5(ans)
• 10 years agoHelpfull: Yes(14) No(1)
• 1,1,5,5,8,8...
  ans=8
• 11 years agoHelpfull: Yes(13) No(8)
• ans=8
  1-1,5-5,8-8;
  
• 11 years agoHelpfull: Yes(4) No(6)
• 3)10,12,-36,-7,-5,15,19,21
  
  10 12 -36
  -7 -5 15
  19 21 ?
  
  in each order multiply middle no with -3
  12*-3 = -36
  -5*-3 = 15
  21*-3 = -63(ans)
  
  
  
• 9 years agoHelpfull: Yes(0) No(0)
• 1+3+1=5/2=2.5
  5+1+4=10/2=5
  8+7+5=20/2=10
  ans 5
• 9 years agoHelpfull: Yes(0) No(0)