Number Series Questions

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

7, 49, 343, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
2, 10, 30, 68, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

4, 9, 25, 64, 169, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

72, 56, 42, 30, 20, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

64, 100, 169, 289, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

5, 8, 12, 17, 23, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

15, 26, 48, 81, 125, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

5, 7.5, 12.5, 22.5, ?