In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

What happened when the wheel was invented?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

I have branches, but no fruit, trunk or leaves. What am I?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

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