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

If,

1 = 5 ,
2 = 25 ,
3 = 325 ,
4 = 4325

Then, 5 = ?

Who has married many women but was never married?

I have eight fingers and two thumbs but I do not live. What Am I?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Can you find the hidden mobile that is lost in the rug?

Solve this logical number series puzzle by replacing the question mark with the correct number
9090 = 4
1234 = 0
6055 = 2
9081 = 4
8888 = ?

You need to move three matchsticks to form three squares. Can you do it?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What does this mathematical rebus means ?