Count the number of balls in picture below:

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

How can you tell a raw egg from a hard-boiled egg?

Be active and find the killer in the picture Riddle below.

Why Wine Glass Stem is so long?

I look at you, you look at me, I raise my right, you raise your left. What am I?

I am white when I am dirty, and black when I am clean. What am I?

What does below chemistry rebus means?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?