Why is the Hole below a Lock?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

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?

What is red and smells like blue paint?

What is so fragile that saying its name breaks it?

Count the number of triangles in the below picture?

Remove two matchsticks to make the below equation correct.

What kind of band never plays music?

I don't get anymore wetter, no matter how much rain falls on me.

Can you count the number of matches in the picture below ?