How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

John was drowned by he was not wet. How?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What is full of holes but still holds water?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

A sundial has the fewest moving parts of any timepiece. Which has the most?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?