I taste better than I can smell. Who am I?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

If 21x = 79x, what is the value of x?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

Why is a river so rich ?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?