How many triangles are there on the puzzle below?

What number when divided in half becomes zero?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

If an electric train is travelling south, then which way is the smoke going?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

I add 5 to 9 and get 2. The answer is correct, so what am I?

What does below rebus means ?