What Is The Next Number
12 13 15 17 111 113 117 119 123 129 ? Answers:
A) 154 B) 220 C) 129 D) 131 E) 224

Rationale: 131 . these are the first 10 prime numbers ( 2 , 3 , 5 . . . ) prefixed with a 1 answer : d
Answer: D