How is a fly different from a mosquito?

What four weights can be used to balance from 1 to 30 pounds?

Can you count the number of triangles in the picture below?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Who is that with a neck and no head, two arms and no hands? What is it?

What is red and smells like blue paint?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

The centre of the third figure is empty. What digit should fit inside?

Why did Navjot Singh Sidhu put the new January calendar in the freezer