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 ?
MN_O_NN_M_NO

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

1.5, 9/4, 3, ? , 4.5, 21/4

Pointing towards a lady in a photograph, Ram says, "Her mother is the mother­in­law of my father's brother". How is the lady related to Ram?

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

76, 38, 19, 9.5, ?

If 'HARBOUR' is written as 'IBSCPVS' , how is 'HABITAT' written in that code?

Arrange the given words in the sequence in which they occur in the dictionary.
i. Drama
ii. Dramatical
iii. Dramaticism
iv. Dramality
v. Dramatise

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.

Herringbone

X and Y both start from a same point. X walks 17 m West, then turns to his right and walks 13 m. At the same time, Y walks 9 m North, then turns East and walks 7 m, then turns to his left and walks 4 m. Where is Y now with respect to the position of X?