a+b=1
b+c=2
c+d=3
and so on
whats A+Z???

• a+b-b-c+c+d-d-e+......+y+z=a+z,
  1-2+3-4+5_......+25= 13 ans
• 8 years agoHelpfull: Yes(14) No(5)
• 13. is the answer.
• 8 years agoHelpfull: Yes(5) No(1)
• we can directly get the average = (1+25)/2 = 13
• 8 years agoHelpfull: Yes(5) No(2)
• a+b=1
  b+c=2
  .
  .
  y+z=26
  z+a=27
  so answer is 27
• 8 years agoHelpfull: Yes(3) No(5)
• (1+25)/2=13
• 6 years agoHelpfull: Yes(1) No(0)
• the sum is nothing but index of the alphabet means answer is"1"
• 8 years agoHelpfull: Yes(0) No(1)