Decode the movie name from the below picture?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Which alphabet letter is a question?

These types of puzzles are known as charades. What you have to do is to find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be the 'office'.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

What is the riddle which can be asked all day with a different correct answer each time.

Why is Saturday stronger than Monday?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Can you place six X (crosses) in below board without making three in a row in any way ?