Verbal Reasoning - Mental Ability Questions

Which number will complete the series?
1,8,27,64,125,216,________

M is son of P, Q is the grand-daughter of O, who is the husband of P. How is M related to O?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Xenons
2. Xylyls
3. Xanthic
4. Xenians
5. Xyst

F is the Father of S and D. D's Paternal aunt's daughter is E. How is F related to E?

In a certain code language, "SCENE" is written as "TBFMF". How is "TRAIN" written in that code language?

In a certain code language, "SIGHT" is written as "@?*^!" and "ANT" is written as "#&!". How is "NIGHT" written in that code language?

I go 5 km East, then turn right and go 8km. Then I turn left and go 5 km and then I turn left and go 8 km. At what distance am I from the starting point?

Riya travels 5 km in the east direction, takes a right turn and travels another 8 km. Next, she turns left to travel 4 km and then takes another left turn to travel 8 km more. Finally, she turns towards the east and travels 5 km. How far is she now from her original position?