Verbal Reasoning - Mental Ability Questions

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 number missing. Choose the correct alternative from the given ones that will complete the series.
-4, ? , 1, 3.5, 6, 8.5

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.AK12, GV29, LF18, PO?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
A, C, F, H, K, ?

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

FED , IHG , LKJ , ONM, ?

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

XX, XOX, XXXX, XXOXX, XXXXXX, ?

Two motorcyclists P and Q start from the same point. P rides 11 km West, then turns South and rides 16 km, then turns to his right and rides 14 km. Q rides 30 km South, then turns to his right and rides 25 km. Where is Q with respect to P now?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

80 + 2 ÷ 25 + 5 - 10 = ?