What country can make you shiver?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

why number 8549176320 is one of a kind?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.