Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What Does this text mean:

important=important

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

How can you make number one disappear by adding something to it?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Which wheel of car does not rotate when you turn your car right?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

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?