1, 1, 3, 9, 5, 25, 7, 49 _, 81  Select the correct option
A) 6
B) 7
C) 8
D) 9
E) 10
as seq is   1, 1, 3, 9, 5, 25, 7, 49 9, 81   two series are there.   1,3,5,7,9 ...odd numbers   and 1,9,25,49,81 .. square of odd numbers   ANSWER:9
<result>D</result>
1, 1, 3, 9, 5, 25, 7, 49 _, 81