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

What number divided by 4 is the same as that number minus 4?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

In a certain country ½ of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!