Who is that with a neck and no head, two arms and no hands? What is it?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

Solve the following series:
AZ, GT, MN, __, YB

I can be cracked, made, told, and played. What am I?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

Can you name four days which start with the letter 'T'?

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

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?