Which toggle key is used to enter numbers using the

60, 100, 160, 240, ?, 460

64, 32, ? , 48, 96, 240

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


16, ?, 480, 1920, 5760, 11520

9 25 ? 121 221 337

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

17, 21, 30, 46, ?, 107

What will come in place of (?) Question mark in the given number series.

10, 15, 30, 75, 225, 787.5, ?

3, 5, 12, 38, 154, ?

4, 7, 12, 21, 36, ?

142, 148, 160, 178, ?, 232

5      3      4      7.5      17       ?       138