AB EF JK QR ?

a)YZ
b)ZA
c)AB
d)None

• option 2)ZA
  ab...gap of 2 letters...then EF..gap of 3 letters..jk...gap of 5 letters
  so series goes as 2 3 5 7..
  so next letters = az
• 12 years agoHelpfull: Yes(14) No(5)
• (C)
  AB - - EF - - - JK - - - - - QR - - - - - - - - AB
  
  the gap is 2,3,5,8 fibonacci series .
  
• 9 years agoHelpfull: Yes(8) No(0)
• series goes like 2 3 5 7 9..
  so answer will be AB
• 11 years agoHelpfull: Yes(3) No(1)
• series is in the order of 2,3,5,7
  therefore a)YZ
• 11 years agoHelpfull: Yes(0) No(4)
• yz
  2,5,10,17,25
• 9 years agoHelpfull: Yes(0) No(2)
• 2 3 5 8 sequence AB
• 8 years agoHelpfull: Yes(0) No(0)
• ZA becaus if you carefully observe series b and e have difference of 2 then next series 3 then 5 and 9 which will give za
• 7 years agoHelpfull: Yes(0) No(0)
• ITS YZ AB IS FIRST TWO WORDS IN ALPHABETS AND THE LAST TWO LETTERS OF ALPHABETS ARE YZ
• 5 years agoHelpfull: Yes(0) No(0)