How many days did my friend spend at my place?

Question

Last vacation, my friend came over to stay at my home.Everyday, we would play a game of chess. Whoever lost the game owed a chocolate to the other. After the last game we played (that was the day she was to leave), we counted the number of games each of us had won and lost. Wow! I had won more than her. So, she handed me 17 chocolates... though she herself was the winner in 10 games.

How many days did my friend spend at my place?

Answer 1

Answer is 37 days.

Answer 2

The friend stayed for 17+10=27 days.

Comments

she herself was the winner in 10 games .
so he had to handed her 10 choklates but overall she handed him 17 choklates that means she lost 27 game(lost in 27 and won in 10 so she had to handed him 27-10 = 17 choklate)
So toatal game is 27+10 = 37.

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Will u please comment me on this answer a little elaborated....  :-)