Verbal Reasoning - Mental Ability Questions

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark? in figure B.

If Y is the brother of X, Y is Z's son then Z's father is X's ___.

Five people P, Q, R, S and T visit an office on certain days of a week. They work as a plumber, carpenter, cook, electrician and doctor in random order. A person pursues only one profession and visits the office only one day in the week. Consider the following information and answer questions based on it.

1. The plumber visits office every Monday.
2. P is an electrician who comes neither on Tuesday nor Thursday.
3. T is a carpenter and R is not plumber
4. The person who visits the office on Thursday is not a doctor.
5. S works on a Tuesday and T works on the following day.

Which is the right combination?

A woman while shopping in a mall pushes her trolley 20 metres through an alley which is going East, then she turns to her left and walks 30 metres, then she turns West and walks another 30 metres, then she turns South and walks 30 metres and then she turns West and walks 25 metres. Where is she now with reference to her starting position?

Two ladies A and B start walking from the same point. A walks 75 m North, then turns to her left and walks 90 m. B walks 110 m South, then turns West and walks 90 m, then turns to her left and walks 150 m. Where is B with respect to A now?

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

JK_MJ_LM_KL_

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

4 x 18 ÷ 5 - 10 + 8 = ?

Heera starts walking towards the east from her home to go to her college. She walks for 10 km in the east, takes a left turn, walks 20 km further and reaches her college. In which direction is her home with respect to her college?