Count the number of lines in the image below ?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

What has one eye, but can’t see?

If eleven plus two equals one, what does nine plus five equal?

In a kingdom, King George did not allow any citizen to visit the world outside. Also, only a person with proper paperwork was allowed to enter or he was sent back. A wooden bridge was what connected the kingdom to the world. The king had appointed a sharpshooter who would check the every five minutes on the bridge to check. After checking, he would go back to his hut and return exactly after five minutes again. The bridge took 9 minutes to cross.

A merchant was able to escape the kingdom without harming the shooter. How?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

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