King Harry’s arm is twice as long as his forearm, which is twice as long as his hand, which is twice as long as his middle finger, which is twice as long as his thumb. His new bed is as long as four arms.
How many thumbs length is that?
Select one option, then click Submit.
16
32
64
128
256
Select an option, then submit.
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Junior Mathematical Challenge 2008 (2008)
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