13 29 15 26 17 23 19 ? ?

A. 21 23 B. 20 21
C. 20 17 D. 25 27
E. 22 20

• B. 20 21
  
  There will be 2 series
  
  1st: 13 15 17 19 21 (Increasing by 2)
  2nd: 29 26 23 20 (Decreasing by 3)
  
  Final: 13 29 15 26 17 23 19 20 21
• 12 years agoHelpfull: Yes(0) No(1)
• 13 15 17 19 21 they are added by 2 so the next number will be 19+2=21
  29 26 23 they are subtracted by 3 so next number will be 23-3=20
  so answer will be 20 17
• 12 years agoHelpfull: Yes(0) No(0)