6,11, 21, 41, 81, (...)	Options.
A) 22
B) 35
C) 27
D) 32
E) 161
161xplanation :   6   6× 2 - 1 = 11   11 × 2 - 1 = 21   21 × 2 - 1 = 41   41 × 2 - 1 = 81   81 × 2 - 1 = 161   Answer : Option 161
<result>E</result>
6,11, 21, 41, 81, (...)