It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?