What will come in place of question mark (?) in the given numb | Data Interpertation & airthmatic

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

1)0.4, 2.4, ?, 27.4, 114.6, 579
A. 6.4 B. 4.2
C. 8.3 D. 7.8
E. 7.5

2)7, 42, 504, ?, 217728, 6531840
A. 10080 B. 9072
C. 6048 D. 3024
E. 5086

3)4.5 ,7 ,18 , ?, 335, 2004
A. 76 B. 64
C. 72 D. 68
E. 70

4) 9496, ?, 8586, 7767, 6538.5,
4695.75
A. 9530 B. 9215
C. 9369 D. 9420
E. 9132

5) 3, 4, 8, 17, 33, 58, ?
A. 86 B. 94
C. 98 D. 78
E. 88

6) 250, ?, 190, 167, 148, 131,
A. 207 B. 219
C. 216 D. 227
E. 232

7)1, 244, 163, 190, 181, ?
A. 184 B. 189
C. 176 D. 175
E. 195

8)18, 8, 6, 9, 32, ?
A. 251 B. 252
C. 244 D. 324
E. 266

9) 11826, 3942, 1314, 438, ?
A. 142 B. 284
C. 346 D. 402
E. 146