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?

How can you make number one disappear by adding something to it?

What has lots of eyes, but can’t see?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

What word is represented by this rebus?

What does this rebus puzzle means ?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?