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Tennis Balls & Planets

Math brain teasers require computations to solve.

 

Puzzle ID:#2298
Fun:*** (2.54)
Difficulty:*** (2.1)
Category:Math
Submitted By:rayneeday***
Corrected By:paul726

 

 

 



A fool wants to tie a rope around the earth. So he buys a rope of 40,000 KM and ties it around the world. His neighbour, also a fool, wants to do the same only he wants the rope on sticks 1 meter above the ground.


How much more rope does he need?
And how much more rope do you need when you use a tennis ball instead of the earth?

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