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?

What is the word or phrase?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

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

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

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?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

O_er_t_o_

Complete the missing letters of the given word.

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.