Identify the international day of

79, 248, ?,  225, 125, 206

10, ?,  50, 100, 250, 500

11           20           ?              64           112         192

Choose the missing term.

3F, 6G, 11I, 18L,?

18, 54, ? , 1890, 17010, 187110

What will come in place of the question mark (?) in the following series?

22, 25, 30, 37, 48, ?

What will come in place of the question mark (?) in the following series?

112, 124, 138, 154, ?, 196

What value should come in the place of (?) in the following number series?

54, 81, 135, 216, 324, ?

What will come in place of the question mark (?) in the following series?

3, 8, 18, 38, ?, 158

11           22.5        47           102         236         ?