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

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

Can you count the number of lines in the below picture?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What does the below rebus riddle means?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?