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

A landlord calls both of his sons and tells them that their horses will now decide who will transfer the inheritance. He tells them to race along the land till the end and the one whose horse will be slower will win and be the heir to all the property.

Both of them keep wandering for days but to no result. Then they ask a wise man regarding it. The man advises them on the matter after which they jump on the horses and race as fast as they can till the end. Why did they do it?

What did the wise man say?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Identify the 10 differences between the two given pictures.

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

The dirtier I get, the whiter I look. Who am I?

Next Number in the Series,

5, 16, 49, 104, ?