A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

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

Which tank will fill first?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

What word is represented by this rebus?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

How many triangles can you count in the figure given?

What's a single-digit number with no value?

I am the fastest animal but cannot climb the tree. What am I?

When monkey rotate the gear, which mark will be hit 1 or 2 ?