I’m tall when I’m young, and I’m short when I’m old. 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?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

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

During which month do people sleep the least?

Which alphabet letter is a question?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

what does the below math rebus puzzle mean?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).