Wanna Play A Game

Once Devansh asks Swapnil to play a game.

Swapnil - Yeah, Ok.

Devansh - The rules are like this, I will ask you any question and if you can't answer it you will pay me Rs.50

Swapnil - No, no.

Devansh - Well, if I can't answer your question then I will pay you Rs. 500.

Swapnil - Woah!! Okk.

Devansh - You go first.

Swapnil - What goes up a hill wit two legs and comes with three legs.

Devansh searches for the answer in internet but couldn't find the answer so he gave Swapnil the price 

money.

Devansh asks Swapnil the same question.

Swapnil- Here's Your Rs. 50.