In which type of tax is the marginal tax rate higher

58      83      133      ?       308       433

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

28, 29, 38, 63, 112, 193, ?

6       11       32       111       ?      2345      14100

6400, 1600, ?,  80, 16, 4

9 19 39 ? 159 319

8       13       36       123       ?      2585

10, 15, 25, 35, ?, 65

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

40, 25, 30, 50, 105, ?

7.5% of 820.68 - 95% of 945.06 + 12.8% of 1050= ?

97, 106, ?, 195, 411, 460