Verbal Reasoning - Mental Ability Questions

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

c_e_cd_f_de_

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

ZBJ, YCK, XDL, ?

In the morning, X and Y walk towards each other in a park. When they meet, Y's shadow falls towards the left side of X. In which direction was X facing?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
FU, LO, RI, ?

Starting from his house, Manish moves 25 km towards south­east and then turns to the west and covers another 7 km. How far (in kilometres) is he now from his house?

In the following question, select the odd word pair from the given alternatives.

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

AHR, HOY, OVF, VCM, ?

Two labourers L and M start at the same point. L walks 10 m South, then turns left and walks 25 m. In the meanwhile M walks 20 m West, then turns to his right and walks 15 m , then turns East and walks 45 m. Where is M with respect to L?