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

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?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

If your uncle’s sister is not your aunt, what relation is she to you?

How can one talk without saying a single word?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?