Number Crunchers: Brain Bafflers and Mind Bogglers

Rowland Morgan

About the book

Brain Bafflers and Mind Bogglers is packed with unbelievable facts and shows you how to prove them yourself by doing a little number crunching.Check how much you sleep in a year, counting nine hours a night.9x365=3,285Now convert those 3, 285 hours into 24 hour days,then months, counting 30 days per month:3,285 divided by 24 = 136.9 (137 days)137 divided by 30 = 4.6 monthsFour months a year! so in a typical lifetime of about 70 years, we lie flat out, slumbering and snoring, for:70x4 = 280 months, divided by 12 = 23.3 yearsThat's no fewer than twenty-three years.We're all Sleeping Beauties.


Publication Date
10 March 2000

Publisher
Macmillan Children's Books

Book Type
Paperback / softback

ISBN
9780330480130

Number Crunchers: Brain Bafflers and Mind Bogglers - Jacket

Available to buy

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