Among four books, Book1 is twice as heavy as Book 2. Book 3's weight is half of Book 2's weight. Book 4 is 60 grams more as compared to Book 2 but60 grams less as compared Book 1. Which book is heaviest?

Among four books, Book1 is twice as heavy as Book 2. Book 3's weight is half of Book 2's weight. Book 4 is 60 grams more as compared to Book 2 but60 grams less as compared Book 1. Which book is heaviest? Correct Answer Book 1

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