What does this Rebus Picture mean?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

Can you count the number of triangles in the given picture?

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?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Give it food and it will live; give it water and it will die.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

In the image given, you can find several triangles. Can you count them all?