Can you find out the total number of triangles in the given figure?

What has 13 hearts but no other organs?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

What do you answer even though it never asks you questions?

What is the end of everything?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

It is always ahead of me yet I can never see it. What is it?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

John is the son of Jacob.
So,
Jacob is the_____of John's father?