Chalo-answer-dis-------this-was-asked-in-ias-exam---a-very-simple-but-confusing-puzzle---a-lady-buys-goods-worth-rs-200-from-a-shop---shopkeeper-selling-the-goods-with-zero--profit--the-lady-gives-him-1000-rs-note--the-shopkeeper-gets-the-change-from-the-'s Cartoon