Directions (1-5): What will come in place of the question mark (?) in the following number series.
1. 1 7 49 343 (?) (4)
(1) 16807
(2) 1127
(3) 2058
(4) 2401
(5) None of these
2. 13 20 39 78 145 (?) (4)
(1) 234
(2) 244
(3) 236
(4) 248
(5) None of these
3. 12 35 81 173 357 (?) (1)
(1) 725
(2) 715
(3) 726
(4) 736
(5) None of these
4. 3 100 297 594 991 (?) (5)
(1) 1489
(2) 1479
(3) 1478
(4) 1498
(5) None of these
5. 112 119 140 175 224 (?) (3)
(1) 277
(2) 276
(3) 287
(4) 266
(5) None of these
