Move four matchsticks to the below square to form three squares?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Guess the hidden movie name?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Imagine you are in a room with no windows or doors. How will you get out?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

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

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?