1. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. XIIIII, IXIIII, IIXIII, IIIXII,IIIIXI, ?
5. A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series. 6, 18, 54, ? , 486, 1458
8. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 206, 309, 412, ?, 618, 721
9. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. (3, 5), (5, 7) ( ? ), (11, 13)