What number when divided in half becomes zero?

Can you find the mistake in the below statement?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Which Travels Faster? Solve below famous picture riddle:

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

Find the last number in the series below:

voN luJ yaM raM ---

Can you replace the question mark with the correct number in the below table sequence?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

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

What is the next number in the series?

15 29 56 108 208 ?