Number Series Questions

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. 4, 13, 40, 121, ?

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

17, 27, 42, 62,?

In the following question, select the missing number from the given series.
1, 3, 6, 10, 15, ?

Find the next number in the given series. 9, 11, 15, 17, 21, 23, ?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
400, -200, 100, ? , 25, -12.5

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

-1, 1, 4, 9, 16, ?

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, ?

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

5, 11, 24, 51, ?