6, 11, 21, 36, 56, 81, 111, ?  Options:
A) 512
B) 146
C) 812
D) 612
E) 912
The pattern is + 5, + 10, + 15, + 20, + 25, + 30, + 35, + 40, + 45, + 50,....   Answer : 146.
<result>B</result>
6, 11, 21, 36, 56, 81, 111, ?