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

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

You can see three almost identical images below. Can you spot the odd one out from them?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Move three sticks of the spiral below to form a square.