In which year was the Home Rule Movement started?

The number of terms in the sequence 20, 25, 30, ….., 160 is:

100     221     77     245     50    275

12, 16, 25, 41, 66, ?

If  8           x        6.5       12.25         22.125        36.0625

Then, 20% of 25% of x = ?

98       148       185       ?       228       238

61, 48, ?, 35, 87, 22

If   7        43       x        1311       5247            15739

Then, x - x/2 + 2 = ?

5, 11, 32, 65, ?, 389

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

8 9 30 155 ? 9837 108218