‘M’ started a business with an investment of Rs.

100     180      294      448      648      ?

56, 57, 49, 76, 12, ?

Select the number from among the given options that can replace the question mark (?) in the following series.

24, 35, 51, 73, 102, ?

15         12        ?          9         21         6

6              3              24           218         3486       43575

111      113      117      120      ?      133

7       15        31       63       127       ?

27      28       37       62      111      ?

If 10 9 38 x 5428

Then, 2x² + 1 = ?

59, 170, 301, 452, ?, 814