Using Only Five 5's and any mathematical operator make sum as 37

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 ?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

Can you find out who is the kidnapper in below Picture and why, Explain ?

How can you leave a room with two legs and return with six legs?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

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