[Rever] Quantitative Aptitude for CAT & other MBA Entrance Exams 3rd Edition

https://books.google.com.br/books?id=g1AvDwAAQBAJ&pg=PA212&lpg=PA212&dq=xy+leak+during&source=bl&ots=3GYkvevGY8&sig=ACfU3U26SyNwNsFJDDT5LDtfCEgxpmCZjQ&hl=pt-BR&sa=X&ved=2ahUKEwjsyOPZ34LqAhWdErkGHZ3KDywQ6AEwA3oECAMQAQ