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

Which country gets ill every time?

What is the word or phrase?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

What does below rebus means ?

Can you place three balls such that the equation shown in the picture holds true?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What is the coolest letter in the alphabet?

With the help clues provided in the image, can you find the 5 digit key?