Most important disease of banana in India is

125 36 343 ? 729 100

12      11       21       62       ?        1234

8      24       48      144      ?     864

69       119       156       ?       199       209

12, 16, 25, 41, 66, ?

There are 3 series, you have to find value of a, b, c and then establish relation among a,b,c.

19, 25, 45, a, 553, 2767

3, 7, 16, 35, ?, 153

92,   51,   21,   13.5,    x,   4.25

find the value of (10x + x -5)?

Identify the logic of the below given series and given answer.

Series I :: 81, 89, 116, 241, (A), 1915