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

Select from the four options below!

a) Geneva, Switzerland
b) New York City, USA
c) Paris, France
d) London, England

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?