If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

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?

I have branches, but no fruit, trunk or leaves. What am I?

In the four images below, can you find the odd one out?

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

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?