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

Make a sentence consisting of three words that have the whole alphabet.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

What seven-letter word has hundreds of letters in it?

Which is the smallest number that you can write using all the vowels exactly once?

Identify the 10 differences between the two given pictures.

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

You can see it everyday, But cannot touch it at will. What is it?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?