The Tropic of Cancer (23°30' N) passes through which

384, 357, 313, 252, 174, ?

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

251, 272, 296, ?, 353, 386

12, 11, 20, 57, 224, 1015

4, 6, 12, 30, ?, 315, 1260 

32, 48, 72, 108, 162, ?

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

60, 94, 184, 464, 1388, ?

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

22, 23, 19, 28, ?,  37

Find the missing number in the given number series.

8, 9, 16, 11, 32, 13, ?

55      56       52      61       ?       70       34