I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

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

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

How is the moon similar to a dollar?

Can you write down eight eights so that they add up to one thousand?

Find the number of squares in the below-given picture.

Can you decipher the two rows to find the hidden word?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

People put me on the table and cut me but do not eat me. What am I?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?