What breaks yet never falls, and what falls yet never breaks?

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

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

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

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

What do you get if you add 2 to 100 four times?

What has one letter and starts with an E?

I know a nine-letter word having only one vowel.
Do you ?

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?