You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

If 1+9+8=1, what is 2+8+9?

In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.

Can you find out the numbers on both the cubes so that each date can be mentioned using them?

Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

A father's child, a mother's child, yet no one's son.

Who am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?