What begins with T, ends with T, and has T in it?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Can you count the number of triangles inside a triangle?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.