Be active and find the killer in the picture Riddle below.

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

What is the largest number you can write with just 3 digits?

What does a man do only once in his lifetime, but women do once a year after they are 29?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?

Prove that twice of ten is the same as twice of eleven.

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

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