What does below rebus means ?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

I make two people out of one. What am I?

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

The cream is heavier than Milk. True or False?

What's the best place to go shopping in the ocean?

Find the hidden tiger in the given optical illusion ?