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

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

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

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

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

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

I am quite hot but become too cold if you remove the first two letters. What am I?

What will you call your mother's brother's brother-in-law?