A person walks 100 m straight from his house, turns left and walks 100 m, again turns left and walks 300 m, then turns right and walks 100 m to reach his office. In which direction does he walk initially from his house if his office is exactly in the North-East direction?

A Statement is given followed by two Conclusions numbered I and II. Consider the Statement and the Conclusions.

Statement :
India is the world's largest producer of milk.

Conclusion–I :
India is the world's largest exporter of milk.

Conclusion–II :
India does not import milk.

A Main Statement is followed by four Statements labelled P, Q, R and S. Choose the ordered pair of the Statements where the first Statement implies the second, and the two Statements are logically consistent with the Main Statement.
Main Statement: Pradeep becomes either a Director or a Producer.

Statement P: Pradeep is a Director.

Statement Q: Pradeep is a Producer.

Statement R: Pradeep is not a Director.

Statement S: Pradeep is not a Producer.

Select the correct answer.

If the symbol $$a + b$$ means $$a - b$$, the symbol $$a - b$$ means $$a \times b$$, the symbol $$a \times b$$ means $$a \div b$$, and the symbol $$a \div b$$ means $$a + b$$, then what is the value of the expression: $$10 + 30 - 100 \times 50 \div 25$$? (All operations are to be replaced simultaneously.)