Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
FU, LO, RI, ?

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

5 + 10 x 21 ÷ 5 - 15 = ?

After their day's work two village women are returning home. The first woman walks 1.5 km West, then turns to her right and walks 3 km to reach her house. In the meanwhile the second woman walks 1 km North, then she turns East and walks 3.5 km, then she turns to her left and walks 2 km to reach her house. Where is the first woman's house with respect to the second woman's house?

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

Responsibility

Mr. X starts from point A travels 80 km towards west, takes a left turn, travels 50 km and reaches point B. What is the shortest distance between points A and B ?

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

15, 26, 48, 81, 125, ?

The weights of 4 boxes are 80, 60, 90 and 70 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes?

In the following question, select the related letter pair from the given alternatives. MOK : KLG : : ? : ?