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 ?

M_Q_C_M_Q_CM

If BOULDER is coded as ZMSJBCP, then how will ELK be coded as?

Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement.
Statements:
1. All cycles are ducks.
2. All ducks are swans.
Conclusions:
I. All swans are cycles.
II. Some swans are cycles.

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Expenditure

Introducing a girl, a man says, "She is the daughter of my father's daughter". How is the girl related to the man?

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

AC, EG, ?, MO

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

KlMnO, qRsTu, WxYzA, cDeFg, ?

Amit is facing north. He turns 90° right and walks for 50 m, then turns towards the south and walks 50 m, then turns right to walk for another 50 m and from there, he walks 50 m towards north. In which direction/position is he from his original position?