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About the Book

This box set contains the best tips and tricks by renowned trainers and Guinness World Record holders Aditi and Sudhir Singhal. * to improve your mathematics and memory skills, these books are must-reads for competitive exams, maths enthusiasts and puzzle aficionados.

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9780143448891
Paperback
ISBN13: 9780143448891
Ebury Press, 2019

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