Verbal Reasoning - Mental Ability Questions

If the code for MOTHER is JRQKBU then what is the code for PRINCIPAL?

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

'Car' is related to 'Garage' in the same way as 'Hen' is related to ___.

In the following question, select the number which can be placed at the sign of question mark(?) from the given alternatives.

Pointing to a boy in a photograph, Neena said, "He is the son of my grandmother's only daughter". How is Neena related to the boy?

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

PRQ, NPO, LNM, ?, HJI

P started walking from North to South. She turned right at right angle and then again right at right angle. In which direction was she ultimately walking?

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

Smart, Aspire, Castle, Abysmal, Accost, ?