2, 5, 7, 12, 19, __
a. 27
b. 31
c. 35
d. 39

• answer is b
  because first no 2 add second no 5 = third no 7 (the next section answer)
  so, _ is 12 + 19 = 31 is correct answer.
• 10 years agoHelpfull: Yes(0) No(0)