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?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

There is something which is always coming but never arrives?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

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

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

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