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?

What jumps when it walks and sits when it stands?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

Four friends are sitting on a tree. Each one of them is wearing a hat. They don't know which coloured hat are they wearing but they do know that two of them have green hats and two of them have orange hats.

Adam is sitting on the top branch and he can see the hats of Billy and Cyrus. Billy is sitting on a branch above Cyrus and he can see Cyrus hat. Duke is sitting at the base of the tree. Branches are covering him fully and no one can see his hat.

Now they are not allowed to look upwards. Who do you think will shout the colour of his hat first?

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

Which is the rope you never skip with?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?