होहोबा क्या है

152        142       122      ?      52       2

21, 37, 73, 137, ?, 381

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

12, 13, 27, ?, 329, 1646

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

325, 292, 262, 229, ?, 166

4, 4, 12, 60, ?, 3780

2807, 1400, 697, 346, 171, 84, 41, ?

254, ?, 1022, 1150, 1214, 1246

143        119      107      101       98      ?

204, 401, 640, ?, 1105, 1406

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

60, 94, 184, 464, 1388, ?