Can you write down eight eights so that they add up to one thousand?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

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.

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

The owner of a popular clothing store comes up with his own method of pricing items. A vest costs $8, socks cost $10, a tie costs $6, and a blouse costs $12. Using the owner’s method, how much would a pair of underwear cost?

Can you replace the question mark with the correct number?

Why is a river so rich ?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?