How many quadrilaterals are there in the given figure?

A is 13th from the top, B is 18th from the bottom. When A and B change their position then A becomes 21th from top. What is the new position of B from bottom? 

Mohan starts from point A and walks 1 km towards south, turns left and walks 1 km. Then turns left again and walks 1 km. Now which direction he is facing? 

In a certain code, REFRIGERATOR is coded as ROTAREGIRFER. Which word would be coded as NOITINUMMA? 

Direction: In each of the following questions, four words have been given, out of which three are alike in some manner and the fourth one is different. Choose out the odd one.

If - stands for division, + for multiplication, ÷ for subtraction and × for addition, then which one of the following equations is correct? 

Choose the odd word/letters/number from the given alternatives

Statement : A large number of people die every year due to drinking polluted water during summer.
Courses of Action:
I. The Government should make adequate arrangements to provide safe drinking water to all its citizens.
II. The People should be educated about the dangers of drinking polluted water.