Can you find the missing piece of the Porsche?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

What is the fastest way to double your money?

how come the second man dies?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

what's the probability of getting a king or a queen from a pack of 52 cards?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Can you name four days which start with the letter 'T'?