Look at the picture and find out which square is not linked with any of the other squares.

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

Replace the question mark with the correct number below.

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

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

The more you take me, the more you leave me behind.
Who Am I?

Find the hidden panda in the image below.

What does this mathematical rebus means ?

There was a strange boy who was born before his father. How can this be possible?